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1251.

If a body is compressed to half its previous volume ,its density ?

Answer»

ANSWER:

Therefore, if the volume of a BODY is compressed to HALF of its previous volume, then the density will be doubled.

1252.

7) Calculate the work done per unit volume in stretching a gold wire of ½ sq.cm in cross-section and length of 4 m through 0.2 mm. (Y = 2 x 10^11 N/m^2).

Answer»

EXPLANATION:

धार्मिक ग्रंथो के अनुसार वैवस्तव मनु के कुल दस पुत्र थे,जिनमें आठवें पुत्र का नाम इक्ष्वाकु था,इक्ष्वाकु के द्वारा ही कोशल नगरी बसाई गयी थी जिसकी राजधानी का नाम अयोध्या था,इक्ष्वाकु के वंश में अज तथा उनके पुत्र राजा दशरथ हुए,राजा दशरथ के ही पुत्र राम लक्ष्मण, भरत तथा शत्रुघन हुए,राजा दशरथ की पत्नी कौशल्या के पुत्र राम

1253.

Write five analogue and digital electronics

Answer»

Answer:

Human voice in air, analog electronic devices. COMPUTERS, CDS, DVDs, and other digital electronic devices. Analog TECHNOLOGY records waveforms as they are. SAMPLES analog waveforms into a limited set of NUMBERS and records them.

1254.

Koi nazar kyu nahi aa raha haramkhor ಠ◡ಠ..xd​

Answer»

ANSWER:

HLOO bro

bio MAST H APKA .!!!!!

1255.

What is difference between kinetic energy and potential energy?​

Answer»

ANSWER:

Energy stored in an object DUE to its position is Potential Energy. Energy that a moving object has due to its MOTION is Kinetic Energy. Kinetic Energy: Is energy of motion.

1256.

26. A network of four 10 pF capacitors is connected to a 500 V supply, as shown in figure. Determine (a) the equivalent capacitance of the network and (b) the charge on each capacitor.​

Answer»

ANSWER:

HOPE this answer will be HELPFUL for you. ❤❤❤❤❤❤

1257.

Derive the formula for the kinetic energy of an object of massm moving with velocity vplease answer this question ​

Answer»

ANSWER:

SINCE KINETIC energy is equal to the work done on the BODY to change its velocity from 0 to v , we obtain: kinetic energy , Ek=21mv2.

1258.

When we rub our hands, mechanical energy changes into _______________​

Answer»

ANSWER:

HEAT ENERGY is UR answer

1259.

Define magnetization derive the relation between magnetic field intensity (H) and magnetization (M) for a magnetic material placed in magnetizing field. ​

Answer»

Answer:

Water, a substance composed of the chemical elements HYDROGEN and oxygen and EXISTING in gaseous, LIQUID, and solid states. It is one of the most plentiful and essential of compounds. A tasteless and odourless liquid at ROOM temperature, it has the important ability to dissolve many other SUBSTANCES.

1260.

Angle of incidence = 45degree in medium 1 and angle of refraction = 30degreein medium 2i) which of the two media is optically more- denseii) find ref index of med 2 with respect to med 1 iii) what is ref index of med 1 with respect to med 2

Answer»

ANSWER:

Answer in attachment you can SEE from it & CLICK to view FULL PIC

1261.

1.How is ammeter and voltmeter connected in series?

Answer»

Explanation:

An ammeter is a measuring DEVICE used to measure the electric CURRENT in a circuit. A voltmeter is CONNECTED in parallel with a device to measure its VOLTAGE, while an ammeter is connected in series with a device to measure its current.

1262.

A spaceship of mass of 25kg is moving in a force free region at a constant speed of 20 m/s what is the force required to keep it cruising at this velocity​. give correct explanation

Answer»

Answer:

no FORCE is REQUIRED because spaceship is MOVING in a force FREE region, so from Newton's first LAW no force is tequired

1263.

Describe the type of spectra and give its example

Answer»

ANSWER:

emissions spectra describe it to be in important than ANYTHING else to GET

1264.

How to calculate your height (5'3 inch) in meter and cm by scientific formula..please help me​

Answer»

Answer:

SEE down

Explanation:

centimeters] = [feet] * 30.48 + [INCHES] * 2.54,To CONVERT 5 ft and 3 in to cm you have to MULTIPLY the number of feet by 30.48 and add it to number of inches MULTIPLIED by 2.54. 5.3 feet equal 161.544 centimeters (5.3ft = 161.544cm). This will give you the total height in centimeters.

1265.

Do distant planets have their own light?​

Answer»

EXPLANATION:

No DISTANT PLANETS have their own LIGHT.

1266.

100g of ice at -10°C is heated till it is converted into water at 30°C. The amount of beat required is (Latent heat of ice = 80 cals/ g: specific heat of ice = 0.5 cal g^-¹ °c^–¹)​

Answer»

EXPLANATION:

duf9f8y7f0gug9d7g8s9h7fidif

1267.

Select a pair of lenses from these so that the resulting focal length is i) -20cmii)20cm5D, -5D,10D, -10D,-20D

Answer»

ANSWER:

-20 is answer PLEASE MARK me BRAINLIEST

1268.

Define Force ?Tysm all ♡♡~​

Answer»

Answer:

In physics, a force is any INFLUENCE that, when unopposed, will change the motion of an object. A force can cause an object with MASS to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both MAGNITUDE and direction, MAKING it a vector

1269.

Copycat tryna cop my mannerNice song​

Answer»

Answer:

when I was going to END my life

you SISTERS and Arnadi HELPED me to recover.

thanks for helping me recover.

sisters are watching the Copa AMERICA finals today

Explanation:

to kaise he aplog

1270.

अपनी बात कहते हुए लेखक ने अनेक समानताएँ प्रस्तुत की हैं। ऐसी तुलना से अर्थ अधिक स्पष्ट एवं सुंदर बन जाता है। उदाहरण(क) संभ्रांत महिला की भाँति वे प्रतीत होती थीं।(ख) माँ और दादी, मौसी और मामी की गोद की तरह उनकी धारा में डुबकियाँ लगाया करता।• अन्य पाठों से ऐसे पाँच तुलनात्मक प्रयोग निकालकर कक्षा में सुनाइए और उन सुंदर प्रयोगों को कॉपी में भी लिखिए।​

Answer»

ANSWER:

dhzmdhlititditdliltdilyflitcliycliyciptciptdiptdilgxitxlgilxgxil

1271.

What are the properties of Electric field lines?fllw me for fllw bck guysif anyone interested​

Answer»

Answer:

PROPERTIES of Electric FIELD LINES

The field lines never intersect each other.

The field lines are perpendicular to the surface of the charge.

The magnitude of charge and the number of field lines, both are proportional to each ot

I HOPE it will help you

please follow

1272.

Derive the kinematic equation for displacement(x) = 0 and time(t)= 0.

Answer»

ANSWER:

answer is 0

Explanation:

because DISPLACEMENT is 0

TIME is 0

1273.

Derive the kinematic equation for displacement(x) = 0 and time(t)= 0

Answer»

The kinematic FORMULAS are a SET of formulas that relate the five kinematic VARIABLES listed below.
Δ
x
Displacement
ΔxDisplacementdelta, x, start text, D, i, s, p, l, a, c, e, m, e, n, t, END text
t
Time interval
tTime interval t, start text, T, i, m, e, space, i, n, t, e, r, v, a, l, end text, space
v
0

Initial velocity
v
0

Initial velocity v, start subscript, 0, end subscript, space, space, start text, I, n, i, t, i, a, l, space, v, e, l, o, c, i, t, y, end text, space
v
Final velocity
v Final velocity v, space, space, space, start text, F, i, n, a, l, space, v, e, l, o, c, i, t, y, end text, space
a
Constant acceleration
a Constant acceleration a, space, space, start text, space, C, o, n, s, t, a, n, t, space, a, c, c, e, l, e, r, a, t, i, o, n, end text, space


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1274.

obtain an expression for the electric field intensity at a point outside an infinitely long charged cylindrical conductor​

Answer»

Answer:

Consider an isolated infinitely long cylindrical conductor A, of radius R and carrying a charge per unit length (linear charge density) λ.

Consider a point P outside the conductor at a distance r from its axis. To find the electric field intensity at P, we choose a cylindrical Gaussian surface S of radius r through P and coaxial with conductor A. A small area ELEMENT containing P has an area dS.

Charge is UNIFORMLY distributed over the outer surface of the conductor. Then, by symmetry, the electric field intensity at any point outside the conductor is at right angles to the cylinder axis. Hence, the component of the electric field intensity perpendicular to the plane circular faces of the Gaussian surface is zero. Therefore, the TOTAL normal electric induction (TNEI) through these FLAT faces is zero.

At every point on the curved face of surface S, by symmetry, the electric field intensity E→ is normal to S and has the same magnitude E. If the charge on conductor A is positive, E→ is directed along the outward DRAWN normal.ion:

1275.

কোনাে ব্যক্তি হাতে একটি সূটকেশ ভূমির সলো স্বভাবে বুলিয়ে অনুভূমিক তল বরাবর হেঁটে গেলে অভিকর্ষ বলের বিরুদ্ধে কৃতকার্যের মান কত হবে? ব্যাখ্যা করাে।​

Answer»

Answer:

Aapni Ray & Martin er Sohayika BOI YE te khuje dekhben okhane VALO KORE answer deowa acche

1276.

Which of the followings is not a characteristic of a shadow? * 1 point A. A shadow is a dark outline of the object. B. The shape of the shadow may or may not match with the shape of the object. C. The size of shadow increases if the opaque body is close to the source of light. D. Objects of different colours, but of same shape form different kind of shadows​

Answer»

Answer:

EXPLANATION:

D is not a CHARACTERISTIC of a shadow bacause all the shadow FORMED are black and the factors affecting shadow are the shape and size of the object, and the DISTANCE of the object from the source of LIGHT.

1277.

An aeroplane of mass 8 tone is flying at the rate of 250 km per hour at a height of 2 km above the ground level calculate the total energy possessed by the aeroplane

Answer»

ANSWER:

HI have a NICE DAY ahead

I don't KNOW

1278.

Write a note of weekly market

Answer»

Answer:

WEEKLY market are be only SET up on one DAY of week everything available in here and bargain are also ALLOWED .

1279.

Where is light gates being used?

Answer»

Explanation:

The Light GATE is a digital switch-type sensor most commonly used in timing experiments. The Light Gate has an infrared transmitter and receiver that will detect an object passing through the 'gate'. They can be used SINGLY or in pairs for time, SPEED , velocity, acceleration and event monitoring.

1280.

Obtain the expression for equivalent emf and internal resistance when two cells connected in series.​

Answer»

ANSWER:

Hello

Explanation:

THANK you

Good NIGHT

1281.

Ball bearing reduces the wear and tear of _____ parts of machine.

Answer»

ANSWER:

MOVING PARTS (ANS)

1282.

Ygftgvuhbjiuhyigtfcgvhbjnkm

Answer»

ANSWER:

what is this????????????

1283.

Two systems at same temperature are said to be in ___a) chemical equilibriuma) thermal equilibriuma) mechanical equilibriuma) electrical equilibrium​

Answer»

ANSWER:

a is the answer

Explanation:

because it CORRECTLY

1284.

Give me 12 thnx i will returm triple of i.t.☺☺❤❤❤❤❤❤❤❤❤❤❤❤❤​

Answer»

ANSWER:

OKAY

Explanation:

INBOX FOR DOUBT CHAPTER

GOOD EVENING

1285.

Define democratic govt.???whats this?? mairi cousin ki three behnay hai kiya...sim hi prachi hi ​

Answer»

Answer:

Democracy is government in which power and civic responsibility are exercised by all ADULT citizens , directly , or through their freely ELECTED representatives.

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1286.

What is Gravity ? koi thanks dedo -,-" ​

Answer»

Kyu nhi

Photosynthesis is the process by which PLANTS use sunlight, water, and CARBON dioxide to CREATE OXYGEN and energy in the FORM of sugar.

1287.

What is photosynthesishello Siddharth Tumhari dusri ID Ko Maine follow kar diya hai ​

Answer»

ANSWER:

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular RESPIRATION, can LATER be released to FUEL the organism's metabolic activities.

1288.

Question :-name a substance which can be purified by crystalizationextra question :-which metal is used for making beyblades??​

Answer»

Answer:

Crystallisation is a chemical process used to obtain pure copper sulphate from the impure solution. Potash alum, tetraamine copper sulphate, baking soda are the three substances that can be purified using crystallization.

Explanation:

Beyblades are made from a variety of components. The WHEELS are GENERALLY composed of polycarbonate, while the material for the bottoms can VARY. Most parts of Beyblade toys are made from plastic, except for the FUSION WHEEL.

1289.

State which of the following situation are possible and give an example for each of these a) an object with a constant acceleration but zero velocity b) an object moving in a certain direction with an acceleration in the pretending direction₳₦₴₩ɇɽ đɇđø​

Answer»

Answer:

What's your doubt?

11th

>PHYSICS

>Motion in a Plane

>Uniform Circular Motion

>State which of the followin...

Physics

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State which of the following situations are possible and give an example for each of these:

(a) An object with a constant acceleration but with zero velocity.

(b) An object moving in a certain direction with an acceleration in the perpendicular direction.

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Video Explanation

Solution To Question ID 464649

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Answer

(a)

Let say a stone is thrown in vertical direction with INITIAL speed u. As the time passes its velocity decreases and at the maximum HEIGHT it attained, its velocity is zero but it has an acceleration (9.8)m/s

2

in the downward direction due to gravity.

(b)

When a pebble is tied with an end of string and it is whirled in horizontal circular motion with the other end of the string at the centre of circular path, then it has a constant magnitude of CENTRIPETAL acceleration TOWARDS the centre. Hence the acceleration is in perpendicular direction to the motion of pebble.

1290.

I. Define the following terms:1. Random motion​

Answer»

ANSWER:

RANDOM MOTION - when an object in motion with no specific path and changes its motion SUDDENLY.

1291.

I need solution with step wrong answer will be reportedclass 11 CBSE​

Answer»

EXPLANATION:

dhfkgohogogogifogohogig0

1292.

two resistors of 20 eaxh are connected in parallel with a battery of 10 total current passing through the circuit is​

Answer»
1293.

Two bar magnets having same geometry with magnetic moments and and 2m are firstly placed in such a way that there are similar poles are on the same side that its period of oscillation is T1 now the polarity of one of the magnets is reversed the time period of oscillations becomes 32 then​

Answer»

ANSWER:

HOPE it is HELPFUL to you!!

1294.

Spring in spring contant 10 n/m after loading amplitude of 2 meter .what is maximun potentual energy

Answer»

ANSWER:

qwertyuiopasdfghjklzxcvbnm

1295.

Discuss the properties of vector product between two vectors

Answer»

ANSWER:

hlo and I am GOING solo by ROALD dahl 6TH and I have to go

1296.

which is most suitable means of reliable continuous communication between orbiting satellite and earth???​

Answer»

ONE is to use relays, either connected ground stations or other SATELLITES, spread along the satellite's orbital track to carry the signal BACK to your original ground station. The other is to place it in a geostationary or geosynchronous ORBIT.

1297.

Give 10 likes i will return itz double.​

Answer»

ok

Answer❣

Question :

An object TRAVELS 20m in 4s and then other 20m in 10s . What is the average speed of the object ?

SOLUTION :

As per the question we have TWO cases so let's assume each as CASE 1 and Case 2 respectively !

Case 1 :

Distance Covered : 20m

Time taken : 4 sec

Speed : Distance / time

: 20 / 4

: 5 m / sec

Case 2 :

Distance Covered : 20 m

Time taken : 10 sec

Speed : Distance / time

: 20 / 10

: 2 m / sec

huge average speed = total distance total time

averagespeed=totaltimetotaldistance

= \5 + 2 4 + 10=4+105+2

= 7 40 = 0.175=407=0.175

Hence , the average speed of the object is 0.175 m / sec !!

1298.

In electrolysis why the electrodes dipped into the electrolytes solution partly not fully??​

Answer»
  1. In other words, the current travels from NEGATIVE electrode to positive electrode.
  2. It is an essential step to complete the CIRCUIT or else the current may not pa.ss through.
  3. If the electrode is not DIPPED in ELECTROLYTE, the electrons WOULD stop the movement.
1299.

Mention chemical reaction which is influenced by contact.​

Answer»

Answer:

Following factors affect the rate of a chemical reaction:

1) REACTANT concentration

2) Reaction temperature

3) Nature of REACTANTS and products

4) Presence of a catalyst

5) Surface area

6) RADIATION exposure

1300.

write the differnce betwren total internal refraction from a prism and refraction from a plane mirror​

Answer»

Answer:

In reflection of light from a PLANE mirror. Light reflect PARTIALLY, some PART reflect and transmit ALSO. In total internal reflection through a prism there occurs 100% reflection of light