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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1501. |
An insect crawls along the frame of wire AB with a constant speed v. Find the average velocity of the insect. |
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Answer» Answer: hope it will HELP you Explanation: Now, in the GIVEN problem, initial velocity, u=10m/s, ACCELERATION, a=-2m/s^2. NEGATIVE sign denotes RETARDATION. n=5. |
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| 1502. |
9. If the length of a simple pendulum is doubled, its period will:b) be greater by a factor of V2c) be less by a factor of V2a) halved) double |
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| 1503. |
Why is an electic fuse reanised in all electrical appliance |
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Answer» Answer: Since the current in SERIES remains the same, the fuse wire gets melted and breaks the circuit thereby PROTECTING the APPLIANCE from getting damaged. Hence an electric fuse REQUIRED in all ELECTRICAL appliances for the protective reason of the appliance. |
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| 1504. |
2. The ratio of energy of photon of wavelength 3000 Å radiation to that of 9000 Å is (a) 1 (b) 1/3 (c) 3 (d) 2 |
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Answer» your answer is 3 hope it help you |
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| 1505. |
Equal charges, q are placed at the vertices of A and B of an equilateral triangle ABC of side a. The magnitude of electric intensity at point C is |
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Answer» Answer: Equal charges, q are PLACED at the vertices of A and B of an equilateral TRIANGLE ABC of SIDE a. The magnitude of electric INTENSITY at point C is Explanation: |
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| 1506. |
The distance from pole to focus of a mirror is 5cm then what it's radius curvature |
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Answer» Answer: Explanation: Formula:- Radius of curvature = 2 × focal length Sol:- Radius of curvature = 2 × 5 = 10cm |
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| 1507. |
An infinite line charge produces a field of 9*10^4N\C at a distance of 2cm |
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Answer» Answer: An INFINITE line charge produces a field of 9 x 104 NC-1 at a distance of 2 cm. Calculate the linear charge DENSITY. State Gauss's THEOREM. Gauss's theorem : It STATES that the electric flux fE, through any closed surface is 1/Î0 TIMES the total charge q enclosed by the surface. |
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| 1508. |
Write down the S.I units of the following: (any 10) |
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Answer» TELL please |
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| 1509. |
What is laboutery thermometer |
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Answer» that USED in LABORATORY is KNOWN as laboratory |
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| 1510. |
Draw an eletic circuit diagram consisting of a cell a bulb and an eletric sitch |
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Answer» battery NEGATIVE to BULB negative battery positive to switch switch to bulb positive
pls mark as BRAIN list if it was help |
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| 1511. |
If the work done in bringing a charge of 10^-18c from infinity to point P is 2*10^-17J. what is the electric potential at P? |
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Answer» Explanation: WORK done (in Joules) = eV electric potential (V) =Work done /E = 2×10^-17/10^-18 electric potential (V) = 2× 10^-17×10^×18 = 2× 10 =20 V Please mark as BRAINLIEST |
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| 1512. |
An observer is moving with speed vtowards astationary source emitting a sound wave ofwavelength 2. The change in wavelength detectedby the observer is (v = speed of sound) |
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| 1513. |
In the coastal cold air flows from sea to land is called |
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Answer» sea-breeze front A sea-breeze front is a WEATHER front created by a sea breeze, also known as a convergence ZONE. The cold air from the sea MEETS the WARMER air from the land and creates a boundary like a shallow cold front. |
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| 1514. |
O classify the following as insulatoos and conducta |
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Answer» HTTPS://rooter.app.link/ |
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| 1515. |
State the conditions for obtaining well defined and steady interference pattern |
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Answer» Conditions for Obtaining Steady Interference Pattern: The AMPLITUDES of waves must be equal. i.e. the brightness of the TWO SOURCES should be the same. The sources of LIGHT should be NARROW. The two sources of light must be monochromatic. |
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| 1516. |
एक वस्तु 10 इलेक्ट्रॉन ग्रहण करती है तो वस्तु की प्रकृति आवेश एव दरवयमान में परिवर्तन की गणना कीजिए |
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Answer» I not UNDERSTANDING your QUESTION ❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓❓ |
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| 1517. |
Calculate the force needed to speed up a car with a rate of 5ms–2, if the mass of the car is 1000 kg. |
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Answer» HERE YOUR ANSWER IS GIVEN : Accleration ( a ) = 5ms ^ -2 Mass ( m ) = 1000kg Force ( F ) = ? SOLUTION : Force = Mass x ACCELERATION = 1000x5 = 5000N THEREFORE the force needed to speed up the CAR is 500ON . |
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| 1518. |
Car battery ma kon sa matals present rahata hai |
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Answer» Answer: Each cell of a lead STORAGE battery consists of alternate plates made of a lead alloy GRID filled with sponge lead (CATHODE plates) or coated with lead dioxide (anode). Each cell is filled with a SULFURIC ACID solution, which is the electrolyte. |
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| 1519. |
What is the diameter of basketball |
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Answer» Answer: Explanation: A regulation basketball is 9 inches in diameter, LEAVING a GENEROUS 1 inch AROUND the ball and the new rim. |
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| 1520. |
Judge the equivalent resistance when the following are connected in parallel(a) 1 Ω and 10^6 Ω(b) 1 Ω, 10^3 Ω and 10^6 ΩKindly don't spam :) |
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Answer» Answer: AREY SHOW THE PICTURE OF RESISTANCE RA . |
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| 1521. |
1 classily the dollowing as Insulatoos and conductor 3 Pencil uysaledy pin igalteater w plastic scok. |
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Answer» classily the dollowing as Insulatoos and conductor 3 PENCIL uysaledy pin igalteater w plastic scok. |
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| 1522. |
What is ramasuer effect?. |
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Answer» If the ANTH term of an arithmetic PROGRESSION an= 3n− 2 , then its 9TH term If the anth term of an arithmetic progression an= 3n− 2 , then its 9th term |
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| 1523. |
Maths Experts Please Do it#Help Needed The first term of an arithmetic progression of consecutive integers is k² + 1. The sum of 2k + 1 terms of this progression may be expressed as(1) k³ + (k + 1)³(2) (k-1)³+ k³(3) (K + 1)³(4) (k + 1)²Spamming fully allowed |
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| 1524. |
State the conditions for obtaining well defined and steady interference pattern draw the ray diagram showing positions of virtual sources and a region of interference in biprism experiment |
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Answer» Answer: Conditions for a steady and distinct (sharp) interference PATTERN : |
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| 1525. |
Derive formula for phase difference in LCR series circuit |
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ANSWER: The PHASE DIFFERENCE (ϕ) between current and voltage ϕ is given by tanϕ = (XC - XL)/R The graph of variation of PEAK current im with frequency is shown in fig. With increase in frequency, current first increases and then DECREASES. At resonant frequency, the current amplitude is maximum.
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| 1526. |
एक फेराडे में कितना कूलाम आवेश होता है |
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Answer» Answer: 96485.3 coloumb Explanation: |
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| 1527. |
Mass of 112 ML of abcartin gas is 0'22 g at STP?how many molecules are there in the sample of gas? What is the molar mass of the gas? |
Answer» Given :-Volume = 112ML = 0.112L MASS = 0.22g To FIND :-Number of molecules Molar mass Solution :-We know :- No of moles = Volume/Molar volume No of moles = 0.112/22.4 No of moles = 5 × 10^-3 Number of molecules = Avogadro number × No of moles Number of molecules = 6.022 × 10^23 × 5 × 10^-3 Number of molecules = 30.11 × 10^20 Molar mass = Given mass/No of moles Molar mass = 0.22/5×10^-3 Molar mass = 0.044 × 10^3 Molar mass = 44g |
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| 1528. |
Why do we see a water droplets on the surface of ice cold plastic bottel of water? |
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Answer» Explanation: Cold WATER inside the water TRIES to cool down The water vapor in air which comes in contact with WALL of glass and due to low temperature the vapor liquid and APPEARS as water droplets on the outside of glass please mark me as BRAINLEIST |
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| 1529. |
When does a body rotates |
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Answer» When there is a net torque acting upon it, a body rotates. We will have to provide a retarding torque to CHANGE the DIRECTION of rotation of a rotating body with a fixed axis that will eventually STOP the rotation and start in the opposite direction. |
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| 1530. |
Honesty is the best policy in passive |
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Answer» the the best policy is honesty SAID by them please MARK me as BRAINLIEST |
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| 1531. |
The distance from pole to focus of a mirror is 5cm then what it's radius of curvature |
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Answer» Answer: GIVEN:- Focus 5cm2F = R2(5)=R10 = RRadius of CURVATURE is 10cmHope this will helpful |
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| 1532. |
A students want to project the image of a candle flame on a screen placed at 80 cm in front of a mirror by keeping the candle flame at a distance of 20 m from its pole .Write the value of u, v ,f, m if the focal length of the mirror is 16cm . |
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Answer» SORRY but not UNDERSTAND |
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| 1533. |
list out the required material to conduct an activity to understand the static electricity and write the procedure? |
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Answer» this is the answer to your QUESTION |
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| 1534. |
What does vernier constant indicate. please answer fast |
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Answer» the PROBLEM and I will be removed the year again when we all ttt Explanation: follow PLEASE |
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| 1535. |
a train is moving with uniform velocity 2km/h after 20 second it moving with a velocity 4km/h and an acceleration is 5m/s^2.find displacement by the train |
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Answer» I Explanation: |
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| 1536. |
Speed of sound in air is 340m per second,if the pressure of air is doubled then the speed becomes? |
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Answer» pls SUPPORT! pls subscribe my U tube channel Vaibhav V Logss pls help nd Support.. pls if u are true brainly FRND |
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| 1537. |
कूलाम की गणितीय परिभाषा क्या है |
Answer» I don't UNDERSTAND QUESTION |
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| 1538. |
project wook Identify the metals, non-metals and ac I basis in your home and make a sepon and show it to your teacher |
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Answer» The materials present AROUND us are grouped WIDELY into metals and non-metals. But can you say by their properties which material is metal and which is a non-metal? Is wood a metal? or IRON a non-metal? Let us learn this TOPIC in detail. |
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| 1539. |
Sthir aaves ke karan utpan bal chetra ka name likhiye |
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Answer» Answer: h U i lo que me apko NAHI jandi ok MAM PLEASE FIND attached the little man with a roll yyyyyyyy is present |
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| 1540. |
Define surface area tell me aryashree |
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Answer» Answer: surface AREA the LAND that is surface i think so what is UR answer |
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| 1542. |
Shreyas Iyer is the best !! |
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Answer» Answer: I like BATTING style of Shreyas Iyer and very GOOD BAT grip by this PLAYER. |
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| 1543. |
(a) Draw the ray diagram and give the position and nature of the image formed for the following position of objects in case of concave mirror.(1) object placed at F (2) object placed between pole and focus. (3) List the properties of image formed by plane mirror |
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Answer» Answer: (a) Draw the ray DIAGRAM and give the position and nature of the IMAGE formed for the FOLLOWING position of objects in case of concave mirror. (1) object placed at F (2) object placed between pole and focus. (3) LIST the properties of image formed by plane mirror |
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| 1544. |
If an object is placed at a distance twice the focal length from the concave mirror, then the Image distance is equal to |
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Answer» Answer: An object is kept at a distance more than twice the focal length (F) from a concave MIRROR. The distance the image formed will be (a) less then F (b) equal to F (c) between F and 2 F (d) More than 2 F. Image will be formed between F and 2F. nature of the image would be Real , inverted and SMALL . |
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| 1545. |
the kinetic energy and angular momentum of a body rotating with constant angular velocity are E and L.what does 2E/L represent |
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Answer» I dunno Explanation: |
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| 1546. |
Based on which properties can we determine an object or material as metal nonmetal? |
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Answer» Answer: Luster: Metals have the quality of REFLECTING light from their surface and can be polished e.g., gold, silver and copper. Malleability: Metals have the ability to withstand HAMMERING and can be made into thin SHEETS KNOWN as foils. |
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| 1547. |
Koi vastu vram avastha se Achar tvaran se chalna prarambh Karti hai to gati ke samikaran ka Swaroop kya hoga |
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Answer» V= at s= 1/2at² v²= 2as u PUT a=g |
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| 1548. |
Can be achieved through body hygiene Good health Disease Money |
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Answer» Answer: Personal hygiene habits such as washing your hands and brushing and flossing your teeth will help keep BACTERIA, viruses, and illnesses at bay. And there are mental as WELL as physical benefits. “Practicing good body hygiene HELPS you feel good about yourself, which is important for your mental health,” notes Donald Novey, MD, an integrative medicine physician with the Advocate Medical GROUP in Park Ridge, ILL. People who have poor hygiene — disheveled hair and clothes, body odor, bad breath, missing teeth, and the like — often are seen as unhealthy and may face discrimination. |
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| 1549. |
Write any three household uses of surface tension |
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Answer» Answer: Examples of surface TENSION Water striders use the high surface tension of water and long, hydrophobic legs to help them STAY above water. ... Walking on water: Small insects such as the water strider can WALK on water because their weight is not enough to PENETRATE the surface. |
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| 1550. |
(a) Draw the ray diagram and give the position and nature of the image formed for the following position of objects in case of concave mirror.(1) object placed at F (2) object placed between pole and focus. (3) List the properties of image formed by plane mirror. |
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