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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your Science knowledge and support exam preparation. Choose a topic below to get started.
| 3651. |
What is a Chemical& Change? |
| Answer» <p>Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.</p> <p>Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions</p> <p>a change in which the chemicalcomposition and properties of a substance are formed is called a chemical change</p> <p>when a substance combine with other and form new substance is called chemical change</p> | |
| 3652. |
What is the physical and chemical change? |
| Answer» <p>Changes in the Physical Properties of a Substance are known as Physical Changes. Physical Properties of a Substance include colour, size, shape, state, temperature, odour, appearance, texture and many more. In addition, Physical Changes do not lead to the formation of new substances. Physical Changes may or may not bereversible.</p><p>Examples of Physical Change</p><p>Breaking/Crushing of any Object</p><p>Expansion of Metal on Heating</p><p>Dissolving Sugar or Salt (Solute) in Water (Solvent) (as a result, a solution is formed)</p><p>Solidification of Molten Metal on Cooling</p><p>Shredding Paper</p><p>Chemical Changes</p><p>One or more substances, at times, react with one another or substances which are readily available in the environment. This consequently leads to the formation of a new substance(s). The formation of the new substance can also be accompanied by one or more of the following:</p><p>Emission of Heat (Exothermic Reaction) as a result of a Chemical Changes</p><p>Absorption of Heat (Endothermic Reaction) as a result of a Chemical Changes</p><p>Emission Lightas a result of a Chemical Changes</p><p>Production of Soundas a result of a Chemical Changes</p><p>Change or emission of Odouras a result of a Chemical Changes</p><p>Emission of Gasas a result of a Chemical Changes</p><p>and so on.</p> | |
| 3653. |
1Namethe part of a bar magnet where the magnetic force is the weakest.ame two materials that will not be attracted by a magnet.What are permanent magnets?froohecucnanded magnet align itself in the gengranhical North-So |
| Answer» <p>Permanent Magnet is a magnet that retains its magnetic properties in the absence of an inducing field or current.</p> | |
| 3654. |
(7) Sometimes reflections of sound may be undesirable. Can you give anyexample |
| Answer» <p>Seeing our image in a plane mirror.</p><p>The different colours of flowers, birds etc are a result of reflection of light (different colours)</p><p>We see everything because of reflection (diffused reflection) like walls, houses, doors, chairs, tables, gold etc.</p><p>Formation of reflections in water (surface).</p><p>Formation of RAINBOW (along with refraction)</p><p>Our shoes appear shiny after polishing.</p><p>The dew shines due to reflection.</p><p>The moon, planets etc are visible because of reflection of the light falling on them from the Sun.</p> | |
| 3655. |
State whether the following statements are true or false:(0) A cylindrical magnet has only one pole.(ii) Artificial magnets were discovered in Greece(ii) Similar poles of a magnet repel each other.(iv) Maximum iron filings stick in the middle of a bar magnet when It is brought2.near them.(v) Bar magnets always point towards North-South direction.(vi) A compass can be used to find East-West direction at any place(vii) Rubber is a magnetíc material.tracted by both the poles of |
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| 3656. |
(ii) The revolution of ealul arvunu i(7) Sometimes reflections of sound may be undesirable. Can you give anyexample? |
| Answer» <p>Seeing our image in a plane mirror.</p><p>The different colours of flowers, birds etc are a result of reflection of light (different colours)</p><p>We see everything because of reflection (diffused reflection) like walls, houses, doors, chairs, tables, gold etc.</p><p>Formation of reflections in water (surface).</p><p>Formation of RAINBOW (along with refraction)</p><p>Our shoes appear shiny after polishing.</p><p>The dew shines due to reflection.</p><p>The moon, planets etc are visible because of reflection of the light falling on them from the Sun.</p> | |
| 3657. |
What is rusting? |
| Answer» <p>Rust is an iron oxide, a usually red oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture. Several forms of rust are distinguishable both visually and by spectroscopy, and form under different circumstances. Rust consists of hydrated iron(III) oxides Fe2O.</p> | |
| 3658. |
will iron filings get attracted to an electromagnet when it is switched on or off? Explain |
| Answer» <p>Withelectromagneticwaves, it's just that the electric and magnetic fields oscillate and that is the source of energy of the wave.</p><p> So the fields aren't being emanated from any magnetic material, so they are blind to all magnetic material. </p><p>Light is anelectromagneticwave, but itdoesnot attract.</p> | |
| 3659. |
Boat2. State whether the following statements are true or false:(i) A cylindrical magnet has only one pole.(ii) Artificial magnets were discovered in Greece.(ii) Similar poles of a magnet repel eacli other.(iv) Maximum iron filings stick in the middle of a bar magnet when it is broughtBoalnorthDoatncar them.(v) Bar magnets always point towards North-South direction.(vi) A compass can be used to find East-West direction at any place.SOME SUGGESTED1. Using a coupass, fnhouse or dass room oTry to place two eqaanorth poles are en(vii) Ruhher is a magnetic material2. |
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| 3660. |
Discuss the development of embryo in human beings |
| Answer» <p>The first three months of embryonic development are known as the first trimester, that is, the first three-month period of growth. At the end of the first trimester, the embryo looks like an adult, with all major organs having been formed. It is about 3 inches (7.5 centimeters) long. Still, an embryo born during this period trimester will not survive. Additional time in the mother's womb is needed to permit further development of the organs.</p><p>At the beginning of the second trimester, the growing organism is no longer called an embryo, but a fetus. Fetal development continues through the second and third trimesters until it is ready for birth at the end of the ninth month.</p> | |
| 3661. |
(c) Purkinje fibers (d) SA node1177 Bartholin's gland is present in-[ESIC Staff Nurse March - 2016(a) Vagina(b) Uterus(c) Ovary(d) Cervix |
| Answer» <p>A) vagina as bartholin gland is present in left and right side in vagina</p> <p>(a). The Bartholin’s glands are located on each side of the vaginal opening. They’re about the size of a pea. They produce fluid that keeps thevaginamoist.</p> <p>vagina as bartholine gland is present in left and right side in vagina</p> <p>Answer:a) VaginaExplanation:TheBartholin's glands(also calledBartholin glandsorgreater vestibular glands) are two pea sizedcompound alveolar glands located slightly posterior and to the left and right of the opening of thevagina</p> | |
| 3662. |
UterusCervix -Vagina |
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| 3663. |
Why is the use of iodised salt advisable? |
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| 3664. |
d) Red litmus is added to sodium hydroxide solution |
| Answer» <p>Sodium hydroxideis basic in nature thus, it turnsred litmuspaperblue.</p> | |
| 3665. |
A particle is thrown vertically up with a velocity of 50 m/s. what will be its velocity atpoint of journey? How high would the particle rise? What time it takes to reach the highest point?(Take the value of g 10 m/s)20.highest |
| Answer» <p>U= 50m/sg= -10m/s^2</p><p>The velocity at the highest point will be 0 m/sThus v=0</p><p>Height can be calculated by</p><p>2gs=v^2-u^2-20s= -2500s= 125m</p><p>Time :v= u+gt0=50-10t-50=-10tt= 5sec</p> | |
| 3666. |
State their function6. What are sex hormones? Why are they named so? |
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| 3667. |
Define hormones? |
| Answer» <p>Ans:- Hormone: A chemical substance produced in the body that controls and regulates the activity of certain cells or organs. Manyhormonesare secreted by special glands, such as thyroid hormoneproduced by the thyroid gland.</p> <p>A substance in our body that influences growth and development is called hormones. </p> <p>The non-nutritious bodies which are soecific to their targets. They binds only to their target receptors. </p> | |
| 3668. |
3) The percolation rate of water in a particular soil is expressed in the unit ofa) ml/min b) l/minc) min/ml-fm vollow toin the basic solutionle |
| Answer» <p>ml/min it is so easy peasy i think</p> | |
| 3669. |
Which of the following complex is most stable?(1) [M(NH3)2(3) [Men2(NH,)2 (4) [M(en) J3*(2) [M(NH3)J33/63/6 |
| Answer» <p>option 4 should be the answer... as it forms 3 chelate rings , and chelate rings are most stable</p> | |
| 3670. |
29. A ray of light is incident at 50° on the middle of oneof the two mirrors arranged at an angle of 60°between them. The ray.then touches the secondmirror, get reflected back to the first mirror, makingan angle of incidence of(a) 50°(c) 70°tb 60°80° |
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| 3671. |
5.One who teaches the lesson |
| Answer» <p>one who teaches the lesson is Teacher</p> | |
| 3672. |
What is the basis of long life of pickles andjams ? What lesson one gets from this fact ? |
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| 3673. |
(4) of these3. The relation 3-73x + 6 describes theahdisplacement of a particle in one direction where xis in meters and t in seconds. The displacement,when velocity is zero, is:-[AIPMT 2000(1) 24 m(3) 5 m(2) 12 mzeroina acording to the equation 9. |
| Answer» <p>3t=(3x)^1/2 + 6</p><p>simplify the expression</p><p>x=(1/3)(3t-6)^2.........(1)</p><p>for velocity diffrentiate</p><p>v=dx/dt=(2/3)(3t-6)*3</p><p> =6t-12</p><p>for v=0</p><p> 6t-12=0</p><p> or t=2</p><p>put value of t in equation 1</p><p>x=0</p><p>for t<2 motion is not define</p><p>motion is just started after t>=2</p><p>at this point displacement as well as velocity is zero</p> | |
| 3674. |
The half life of a radioactive substance is 20 minutes. The approximate time interval(,-4) between the time t, whenof it has decayed and t whenof it had decayedES |
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| 3675. |
A. Match the following.a) Malayalamb) Dussehrac) lungid) Kuchipudie) ghazalf) Qutab Minar1. Monument2. Dance3. Language4. Festival5. Dress6. Music |
| Answer» <p>monument-qutab Minar,dance-kuchipudi,language-malayalam, festival-dussehra,dress-lungi, music-ghazal</p> <p>1. Qutab minar</p><p>2. Kuchipudi</p><p>3. Malayalam</p><p>4. Dusshera</p><p>5. Lungi</p><p>6. Ghazal </p> | |
| 3676. |
OTTEli twoproductive process and alsotes, It is called serual reprodASEXUAL REPRODUCTIOs method, a singlc individÄą |
| Answer» <p>Asexual reproduction is a type of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only; it does not involve the fusion of gametes, and almost never changes the number of chromosomes.</p> | |
| 3677. |
distance travelled by a body in 7 seconds(a) 140 m(b) 90 m(c) 100 m(d) 70 mv (m/s)20+157> 10+0123456 |
| Answer» <p>90 mmmmmmmmmmmmmmmmmmmm</p> <p>D) is correct answer </p> <p>c) is correct answer</p> | |
| 3678. |
Why do we celebrate Independence |
| Answer» <p>Independence Day is annually celebrated on 15 August, as a national holiday in India commemorating the nation's independence from the United Kingdom on 15 August 1947, the UK Parliament passed the Indian Independence Act 1947 transferring legislative sovereignty to the Indian Constituent Assembly</p> | |
| 3679. |
3.State the main difference between a conductor and an insulator. |
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| 3680. |
Draw a sketch of the 2 stages involved in the life history of a silk moth which is directly involved in the production of silk. |
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| 3681. |
Give one word for the following:-Shining property of a material.Liquids that do not dissolve in water.Materials that allow light to pass through them partially.Materials that do not conduct electricity.Universal solvent. |
| Answer» <p>lustreimmiscible liquidstranslucentinsulatorswater </p> | |
| 3682. |
(a) JIhatshouldbeaddedto(3+4+5/toge3 4 5 |
| Answer» <p>1/3 + 1/4 + 1/5 + x = 4 (20+15+12)/60 + x = 4 x = 4 - 47/60 = (240-47)/60 = 193/60 </p> | |
| 3683. |
Where are stomata found in a plant? State their function. |
| Answer» <p>In botany, astoma(also stomate; pluralstomata) is a tiny opening or pore that is used for gas exchange. They are mostlyfoundon the under-surface ofplantleaves. In astoma, there is the chloroplast, a cell wall, a vacuole and a cell nucleus.</p> <p>stomata are found on leave they are large no.of cell they help in taking in oxygen and releasing carbon dioxide.</p> | |
| 3684. |
2.n gratting, the root portion is called//k-tand the stern portion ts called-0'3.Lower branches are bent down to touch the soil to produce new plants in |
| Answer» <p>Lower branches touch soil to produce new plants in vegetative propagation by layering.</p> | |
| 3685. |
chlorocyclohexaneProblem 12.4Expand each of the following condensedformulas into their complete structuralformulas(a) CH, CH2COCH,CH3 |
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| 3686. |
63 ka root |
| Answer» <p>no 7.83 hoga</p> | |
| 3687. |
Law of Refrac tion. |
| Answer» <p>The Laws of Refraction</p><p>Incident ray, reflected ray, refracted ray and the normal of the system lie in the same plane.</p><p>Incident ray, coming from one medium to the boundary of another medium, is refracted with a rule derived from a physicist Willebrord Snellius. He found that there is a constant relation between the angle of incident ray and angle of refracted ray. This constant is the refractive index of second medium relative to the first medium. He gives the final form of this equation like;</p><p></p> | |
| 3688. |
fos same angle of incidence, that orgle of sei sactionfors three different media A,Band c ase 25 30and asxesfectiveb.-Inkhchmedia-will thewelocitgoof light he ninimum |
| Answer» <p>We know that velocity of light in amedium is inversely proportional to the refractive index of the medium from the equation</p><p> n = c / v .............(1)</p><p>Moreover the refractive index of the medium is inversely proportional to the angle of refraction for the same angle of incidence from the equation</p><p> n = sin i / sin r ..............(2)</p><p>From (1) and (2) ,it is clear that velociy of light in a medium is directly proportional to the angle of refraction in that medium at a particular angle of incidence.</p><p>Thus the velocity of light is minimum inmedium A where the angle of refraction is minimum.</p> | |
| 3689. |
Questions1) Write classification of hibiscus and tuberose.HierarchyKingdomDivisionClassOrderFamilyHibiscusTuberoseGenusSpecies |
| Answer» <p>Scientific classification Kingdom:PlantaeClade:AngiospermsClade:MonocotsOrder:AsparagalesFamily:AsparagaceaeSubfamily:AgavoideaeGenus:PolianthesSpecies:P.tuberosa</p> | |
| 3690. |
Why is a hibiscus flower called a perfect flower? |
| Answer» <p>With its ability to reach a height of 20 to 30 feet, hibiscus can be an impressive plant for a tropical garden.The 4- to 8-inch-wide flowers come in a variety of colors. Because of their well-defined structures, hibiscus flowers are often studied in botany classes.Hibiscus flowers are perfect flowers (also known as complete flowers). This means each flower has both male and female reproductive structure, petals, sepals and a receptacle. An imperfect, or incomplete, flower is missing one or more of these features.</p> | |
| 3691. |
3.Why is a hibiscus flower called a perfect flower? |
| Answer» <p>Hibiscus flowers are perfect flowers (also known as complete flowers). because each flower has both male and female reproductive structure, petals, sepals and a receptacle. An imperfect, or incomplete, flower is missing one or more of these features.</p> | |
| 3692. |
Why do we say that china rose is a complete flower |
| Answer» <p>In order for a flower to be considered complete it must have four parts: sepals, petals, stamens and pistils. Incomplete flowers lack one or more of these parts. As China Rose has every part necessary for a complete flower, its called a complete flower.</p> | |
| 3693. |
Calculate the number of atoms in each of the following (i) 52 moles of Ar(ii) 52 u of He (iii) 52 g of He. |
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| 3694. |
Write the IUPAC name of the givencompound:CH3 |
| Answer» <p>IUPAC name is 3-methyl-but-2-ene-1-ol</p> | |
| 3695. |
e compound with no dipole momenta) methyl chorideb) carbon tetrachloridee) methylene chlorided) chloroform |
| Answer» <p>option B </p> | |
| 3696. |
The solubility in water of a sparingly soluble salt AB2 is 1.0x 10-5 mol L-1. Itssolubility in presence of 0.1 MA2 ion ia. 2.0x 107 Mc. 2.0x 10-14 M1.0x 10-7 Md. 4.0x 10-15 M |
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| 3697. |
odistinguish berween primary and secondarycells. |
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| 3698. |
3 A simple pendulum takes 32 s to complete 20 oseillauutime period of the pendulum? |
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| 3699. |
The motion described by a simple pendulum is |
| Answer» <p>the motion described by a simple pendulum is simple harmonic motion.</p> | |
| 3700. |
what is simple pendulum |
| Answer» <p>A pendulum is a weight suspended from a pivot so that it can swing freely. When a pendulum is displaced sideways from its resting, equilibrium position, it is subject to a restoring force due to gravity that will accelerate it back toward the equilibrium position.</p> <p>An ideal pendulum consisting of a point mass suspended by a weightless inextensible perfectly flexible thread and free to vibrate without friction.</p> <p>A pendulum is a weight suspended from a pivot so that it can swing freely.</p> <p>the pendulum having a time period of 1 second and another type of pendulum which is having a length of 2m and it's time period is 2 second</p> <p>simple pendulum an idealpendulumconsisting of a point mass suspended by a weightless inextensible perfectly flexible thread and free to vibrate without friction —distinguished from physicalpendulum.</p> <p>A pendulum is a weight suspended from a pivot so that it can swing freely. When a pendulum is displaced sideways from its resting, equilibrium position, it is subject to a restoring force due to gravity that will accelerate it back toward the equilibrium position.Wikipedia</p> <p>a pendulum is a weight suspended from a pivot so that it can swing freely. when a pendulum is displaced sideways from it's resting, equilibrium position, it is subject to a restoring force due to gravity that Will accelerate it back towards the equilibrium position.</p> <p>an ideal pendulum consisting of a point mass suspended by a weightless inextensible perfectly flexible thread and free to vibrate without friction —distinguished from physical pendulum.</p> <p>a simple pendulum is a simple as from his name indicate in which bob is attached the position the position at which we usually see is mean position and if we move Bob to and fro then this is equibilium position</p> <p>Apendulumis a weight suspended from apivotso that it can swing freely.[1]When a pendulum is displaced sideways from its resting,equilibrium position, it is subject to arestoring forcedue togravitythat will accelerate it back toward the equilibrium position. When released, the restoring force acting on the pendulum's mass causes it tooscillateabout the equilibrium position, swinging back and forth. The time for one complete cycle, a left swing and a right swing, is called theperiod. The period depends on the length of the pendulum and also to a slight degree on theamplitude, the width of the pendulum's swing.From the first scientific investigations of the pendulum around 1602 byGalileo Galilei, the regular motion of pendulums was used for timekeeping, and was the world's most accurate timekeeping technology until the 1930s.[2]Thependulum clockinvented byChristian Huygensin 1658 became the world's standard timekeeper, used in homes and offices for 270 years, and achieved accuracy of about one second per year before it was superseded as a time standard by thequartz clockin the 1930s. Pendulums are also used inscientific instrumentssuch asaccelerometersandseismometers. Historically they were used asgravimetersto measure theacceleration of gravityin geophysical surveys, and even as a standard of length. The word "pendulum" isnew Latin, from the Latinpendulus, meaning 'hanging'.[3]</p> <p>An ideal pendulum consisting of a point Mass suspended by a weightless inextensible perfectly flexible thread and free to vibrate without friction.</p> <p>the pendulum do to and far motion</p> <p>A pendulum is a weight suspended from a pivot so that it can swing freely is known as simple pendulum.</p> <p> it means a simple watch in pendulum</p> <p>A pendulum is a weight suspended from a pivot so that it can swing freely. When a pendulum is displaced sideways from its resting, equilibrium position, it is subject to a restoring force due to gravity that will accelerate it back toward the equilibrium position.</p> <p>A pendulum is a weight suspended from a pivot so that it can swing freely. When a pendulum is displaced sideways from its resting, equilibrium position, it is subject to a restoring force due to gravity that will accelerate it </p> <p>जब एक द्रव्यमान रहित और पूर्ण प्रत्यास्थ डोरी , जिसका एक सिरा दृढ आधार से बंधा हो और दुसरे सिरे पर यदि एक बिंदु द्रव्यमान को लटका दिया जाए तो इस प्रकार की व्यवस्था को सरल लोलक कहते है।</p> <p>Asimple pendulumconsists of a mass m hanging from a string of length L and fixed at a pivot point P. When displaced to an initial angle and released, thependulumwill swing back and forth with periodic motion.</p> <p>A pendulum is a weight suspended from a pivot so that it can swing freely when a pendulum is a displaced side ways from its resting,equilibrium position,it is subjecte to a restoring force due to gravity that will accilrate it back toward the equilibrium position </p> <p>simple pendulum best on shm , basically simple pendulum repeat it's ossilation in fix interval</p> <p>let us consider a bob of maas M which is suspended from the string.. it's Oscilates from the string </p> <p>An ideal pendulum consisting of a point mass suspended by a weightless inextensible perfectly flexible thread and free to vibrate without frictiondistinguished from physical pendulum.</p> <p>A pendulum is weight suspended from a pivot so that it can swing freely. When a pendulum is displaced sideways from its resting, equilibrium position, it is subject to restoring force due to gravity that will Accelerat it back toward the equilibrium position </p> <p>a divice which consist of a bob tied with a tread which cause to and fro motion</p> <p>a pendulum is a weight suspended from a pivot so that it can swing freely. when a pendulum is displaced sideways from its resting equilibrium position, </p> <p>a pendulum is a weight suspended form a pivot so that it can swing freely. when a pendulum is displaced sideways from its resting. equilibrium position, it is subject to a restoring force to gravity that well accelerate it back to ward the equilibrium position. </p> <p>A pendulum is a weight suspended from a pivot so that it can swing freely when a pendulum is displaced sideways from its resting equilibrium position,it is subject to a restoring force due to gravity that will accelerate it back toward the equilibrium position.</p> <p>A pendulum is a weight suspended from a pivot so that it can swing freely.when a pendulum is displaced sideways from its resting equilibrium position it is subject to a restoring force due to gravity that will accelerate it back toward the equilibrium position.</p> <p>definition of simple pendulum by merriam webster</p> <p>simple pendulum is a watch pendulum watch pendulum means that is wall watch that is a simple pendulum</p> <p>An ideal pendulum consisting of a point mass suspended by a weightless inextensible perfectly flexible thread and free to vibrate without friction</p> <p>simple pandulam which priodtime is 2 second</p> <p>Simple gravity pendulum" model assumes no friction or air resistance.</p> <p>a pendulam is a weight suspended from a pivot and it can swing freely</p> <p>A pendulum is a weight of suspended from to that it can swing freely. when this displaced sideways resting, equilibrium position, that subject to a restoring forced due to gravity it will aacelrate it back toward the positions</p> <p>a pendulums is a weight suspend ed from a pivot so that it can swing freely. whan a pendulum is displaced sideways from its resting equilibrium position it is subject to a restoring force dur to gravity that Will accelerate it bach to ward the equilibrium position</p> <p>A pendulum is a weight suspended from a pivot so that it can swing freely. When a pendulum is displaced sideways from its resting, equilibrium position,</p> <p>A pendulum is a weight suspended from a pivot so that it can swing freely. When a pendulum is displaced sideways from its resting, equilibrium position, it is subject to a restoring force due to gravity that will accelerate it back toward the equilibrium position</p> <p>an object moving from right to left freely but fixed from its other side.</p> <p>A pendulum is a weight suspended from an axle so that it can swing freely. When a pendulum is displaced to equilibrium by its relaxation, the state of equilibrium, it is subjected to a restoring force due to gravity that will accelerate it back to equilibrium.</p> <p>pendulum is a property of motion . it tell that when any thing like in alarm clock the biggest hand is moving second to second in same direction in same position then it said to be a property of pendulum.</p> <p>A simple pendulum has a small-diameter bob and a string that has a very small mass but is strong enough not to stretch appreciably. The linear displacement from equilibrium is, the length of the arc.</p> <p>pendulum is a weight suspended from a pivot so that it can swing freely. When a pendulum is displaced sideways from its resting, equilibrium position, it is subject to a restoring force due to gravity that will accelerate it back toward the equilibrium position</p> <p>simple pendulum is a free weight gang in air</p> <p>in simple pendulum ,there are two components one is Bob and another one is string .Bob and string are tied together and and another end of string is tied at any height and this do simple pendulum do SHM(Simple Harmonic Motion).</p> <p>pendulum ak ghari hai Jo har ghante me bajati rahti hai</p> <p>A pendulum is a weight suspended from a pivot so that it can swing freely. </p> <p>This adjustment is called simple pendulum when a massless thread is hung below the other end with a peg that is not formed in a flexible length. </p> <p>Definitionofsimple pendulum. : an idealpendulumconsisting of a point mass suspended by a weightless inextensible perfectly flexible thread and free to vibrate without friction —distinguished from physicalpendulum.</p> <p>a simple pendulam is weight suspended from a pivot so that it can be swing freely</p> | |