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InterviewSolution
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.
| 2301. |
a body is executing SHM. at a displacement x, its potential energy is E1 and at a displacement y, its potential energy is E2. find its potential energy E at displacement (x+y)1) rootE = root E1 - root E22) root E= RootE1 + rootE23) E = E1 + E24) E= E1 - E2 |
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Answer» a body is executing SHM. at a displacement x, its potential energy is E1 and at a displacement y, its potential energy is E2. find its potential energy E at displacement (x+y) 1) rootE = root E1 - root E2 2) root E= RootE1 + rootE2 3) E = E1 + E2 4) E= E1 - E2 |
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| 2302. |
represents the variation of radius r of a circular orbit of a satellite against its time period T? |
| Answer» represents the variation of radius r of a circular orbit of a satellite against its time period T? | |
| 2303. |
what is volumetricmethod for estimation of very small distances |
| Answer» what is volumetricmethod for estimation of very small distances | |
| 2304. |
If the speed of a vehicle is said to be 50 m/s and the time taken to travel a certain distance is 10 s. Then, what is the distance traveled? |
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Answer» If the speed of a vehicle is said to be 50 m/s and the time taken to travel a certain distance is 10 s. Then, what is the distance traveled? |
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| 2305. |
Draw a labelled sketch of a class III lever. Give one example of this kind of lever. |
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Answer» Draw a labelled sketch of a class III lever. Give one example of this kind of lever. |
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| 2306. |
Work done on a particle of mass |
| Answer» Work done on a particle of mass | |
| 2307. |
25.Why inside the conductor electric field is zero |
| Answer» 25.Why inside the conductor electric field is zero | |
| 2308. |
What will be the orientation of the pans if a rice bag of 5 kg is placed on the left side and 2 kg weight is placed on the right side? |
Answer» What will be the orientation of the pans if a rice bag of 5 kg is placed on the left side and 2 kg weight is placed on the right side? |
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| 2309. |
A particle is moving uniformly in a circular path of radius r. When it moves through an angular displacement θ, then magnitude of its corresponding linear displacement is |
| Answer» A particle is moving uniformly in a circular path of radius r. When it moves through an angular displacement θ, then magnitude of its corresponding linear displacement is | |
| 2310. |
The distance between any two cities is normally measured in ___ . |
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Answer» The distance between any two cities is normally measured in |
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| 2311. |
What causes day and night? |
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Answer» What causes day and night? |
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| 2312. |
Differentiate between magnetic and non-magnetic materials. Also, provide an example for each. |
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Answer» Differentiate between magnetic and non-magnetic materials. Also, provide an example for each. |
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| 2313. |
Differntiate between conductors and insulators. Give three examples of each, one of them being a liquid. |
| Answer» Differntiate between conductors and insulators. Give three examples of each, one of them being a liquid. | |
| 2314. |
Write whether the following objects are luminous or non-luminous.Object Luminous/Non-luminousA book A burning candle A wax cloth A pencil A pen A light bulb A tyre A torch |
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Answer» Write whether the following objects are luminous or non-luminous.
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| 2315. |
How many neutral point will be obtained when a bar magnet is kept with magnetic moment parallel to earth magnetic field? |
| Answer» How many neutral point will be obtained when a bar magnet is kept with magnetic moment parallel to earth magnetic field? | |
| 2316. |
Glass is an example of ____________. |
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Answer» Glass is an example of ____________. |
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| 2317. |
Find the resis†an ce between any adjacent nodes of an infinite grid where each node is connected to 4 other nodes by wire of resis†an ce R. Also find the net resis†an ce between two diagonally opposite nodes in the smallest square possible of the same infinite grid. Repeat the same procedure for capacitors. |
| Answer» Find the resis†an ce between any adjacent nodes of an infinite grid where each node is connected to 4 other nodes by wire of resis†an ce R. Also find the net resis†an ce between two diagonally opposite nodes in the smallest square possible of the same infinite grid. Repeat the same procedure for capacitors. | |
| 2318. |
Which of the following is/are the fundamental forces of nature? |
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Answer» Which of the following is/are the fundamental forces of nature? |
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| 2319. |
What is the difference between push and pull |
| Answer» What is the difference between push and pull | |
| 2320. |
When does a solar eclipe occur−on a new moon day or on a full moon day? |
| Answer» When does a solar eclipe occur−on a new moon day or on a full moon day? | |
| 2321. |
Question 5 The height of a person is 1.65 m. Express it in cm and mm. |
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Answer» Question 5 The height of a person is 1.65 m. Express it in cm and mm. |
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| 2322. |
State the effect produced by a force in the following cases :(a) The sling of a rubber catapult is stretched(b) A man pushes a heavy cart(c) A player uses his stick to deflect the ball .(d) A cyclist applies brakes(e) A spring is compressed. |
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Answer» State the effect produced by a force in the following cases : (a) The sling of a rubber catapult is stretched (b) A man pushes a heavy cart (c) A player uses his stick to deflect the ball . (d) A cyclist applies brakes (e) A spring is compressed. |
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| 2323. |
Instead of plastic, can the electric wires at home be coverd with aluminium foil? Justify your answer. |
| Answer» Instead of plastic, can the electric wires at home be coverd with aluminium foil? Justify your answer. | |
| 2324. |
a simple pendulum of length 1m hanging from a wall inclined at 1degree with vertical, is made to oscillate at an angle 2degree from vertical. if collisions with the wall are elastic find time period of oscillation. |
| Answer» a simple pendulum of length 1m hanging from a wall inclined at 1degree with vertical, is made to oscillate at an angle 2degree from vertical. if collisions with the wall are elastic find time period of oscillation. | |
| 2325. |
In the circuit shown in figure, VD, VR and ID are respectively |
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Answer» In the circuit shown in figure, VD, VR and ID are respectively |
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| 2326. |
Fill in the blanks with the appropriate word.(a) If a bar magnet is hung by a thread tied at its centre, its north pole becomes steady in the direction of the ................ Pole of the earth.(South, north, east, west)(b) If a bar magnet is cut into equal pieces by cutting it at right angles to its axis at two places, ........... bar magnets are formed, and a total of ................ poles are formed.(6,3,2)(c) There is repulsion between the .......... poles of a magnet, and attraction between its ............ poles.(opposite, like.)(d) When magnetic material is taken close to a magnet, the material acquires ............... .(permanent magnetism, induced magnetism)(e) If a magnet attracts a piece of metal, that piece must be made of ............. .(any other metal but iron, magnetic material or iron, non-magnetic material)(f) A magnet remains steady in a .............. direction.(east-west, north-south) |
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Answer» Fill in the blanks with the appropriate word. (a) If a bar magnet is hung by a thread tied at its centre, its north pole becomes steady in the direction of the ................ Pole of the earth. (South, north, east, west) (b) If a bar magnet is cut into equal pieces by cutting it at right angles to its axis at two places, ........... bar magnets are formed, and a total of ................ poles are formed. (6,3,2) (c) There is repulsion between the .......... poles of a magnet, and attraction between its ............ poles. (opposite, like.) (d) When magnetic material is taken close to a magnet, the material acquires ............... . (permanent magnetism, induced magnetism) (e) If a magnet attracts a piece of metal, that piece must be made of ............. . (any other metal but iron, magnetic material or iron, non-magnetic material) (f) A magnet remains steady in a .............. direction. (east-west, north-south) |
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| 2327. |
The point beyond which a metallic wire breaks upon elongation is called ___ |
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Answer» The point beyond which a metallic wire breaks upon elongation is called |
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| 2328. |
When a South pole of a magnet in brought near the N pole of a freely suspended magnetic needle, it will ___ . |
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Answer» When a South pole of a magnet in brought near the N pole of a freely suspended magnetic needle, it will |
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| 2329. |
Two point charges separated by a dis†an ce d repel each other with a force of9N.If the seperation between them becomes 3d,the force of repulsion will be: 1N,3N,6N,27N |
| Answer» Two point charges separated by a dis†an ce d repel each other with a force of9N.If the seperation between them becomes 3d,the force of repulsion will be: 1N,3N,6N,27N | |
| 2330. |
What are the emergency contact numbers of the following?(a) Police Control Room(b) Fire brigade(c) Ambulance(d) National level single emergency number for disaster relief. |
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Answer» What are the emergency contact numbers of the following? (a) Police Control Room (b) Fire brigade (c) Ambulance (d) National level single emergency number for disaster relief. |
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| 2331. |
Which of the following graphs represent uniform motion? |
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Answer» Which of the following graphs represent uniform motion? |
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| 2332. |
Atomic energy is harnessed for producing electricity using |
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Answer» Atomic energy is harnessed for producing electricity using |
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| 2333. |
A string is rigidly tied at two ends and its equationof vibration is given by y cos 2nt sin 2Tx. Thenthe length of string can not be(2)ui)(S) 5 m(4) 2t m |
| Answer» A string is rigidly tied at two ends and its equationof vibration is given by y cos 2nt sin 2Tx. Thenthe length of string can not be(2)ui)(S) 5 m(4) 2t m | |
| 2334. |
while walking on ice , why one should have to take small steps to avoid sleeping |
| Answer» while walking on ice , why one should have to take small steps to avoid sleeping | |
| 2335. |
In the system shown in figure the friction coefficient between ground and bigger block is µ.There is no friction between both the blocks.The string connecting both the block is light; all three pulleys are light and frictionless. Then the minimum limiting value of µ so that the system remains in equilibrium |
| Answer» In the system shown in figure the friction coefficient between ground and bigger block is µ.There is no friction between both the blocks.The string connecting both the block is light; all three pulleys are light and frictionless. Then the minimum limiting value of µ so that the system remains in equilibrium | |
| 2336. |
Explain the difference between second class and third class lever. |
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Answer» Explain the difference between second class and third class lever. |
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| 2337. |
Two identical ball bearings P and Q are operating at loads 30 kN and 45 kN respectively. The ratio of the life of bearing P to the life of bearing Q is |
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Answer» Two identical ball bearings P and Q are operating at loads 30 kN and 45 kN respectively. The ratio of the life of bearing P to the life of bearing Q is |
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| 2338. |
Question 9Solar energy is a non – depleting energy. Justify. |
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Answer» Question 9 Solar energy is a non – depleting energy. Justify. |
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| 2339. |
If a satellite is orbiting the earth very close to its surface, then the orbital velocity mainly depends onOptions:The mass of the satellite only The radius of the earth onlyThe orbital radius only The mass of the earth only |
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Answer» If a satellite is orbiting the earth very close to its surface, then the orbital velocity mainly depends on Options: The mass of the satellite only The radius of the earth only The orbital radius only The mass of the earth only |
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| 2340. |
In what ways do machines make work easier? |
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Answer» In what ways do machines make work easier? |
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| 2341. |
13.Why dimagnetic substances align themselves perpendicular to magnetic field |
| Answer» 13.Why dimagnetic substances align themselves perpendicular to magnetic field | |
| 2342. |
On a bright sunny day, Shaunak observed the sun through a small hole made in a sheet of foil. The image obtained seemed to be upright. What could be the reason for this? |
Answer» On a bright sunny day, Shaunak observed the sun through a small hole made in a sheet of foil. The image obtained seemed to be upright. What could be the reason for this? |
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| 2343. |
Which of the following best depicts how we see objects? |
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Answer» Which of the following best depicts how we see objects? |
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| 2344. |
The displacement-time graph for a body with non-uniform motion is a _____. |
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Answer» The displacement-time graph for a body with non-uniform motion is a _____. |
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| 2345. |
A particle is moving on a circular track of radius t with angular speed Ω what is linear speed of particle |
| Answer» A particle is moving on a circular track of radius t with angular speed Ω what is linear speed of particle | |
| 2346. |
what is the difference between rotatory and circular motion ? |
| Answer» what is the difference between rotatory and circular motion ? | |
| 2347. |
how does the moisture between two surfaces increase friction between them? |
| Answer» how does the moisture between two surfaces increase friction between them? | |
| 2348. |
The particle moves along x axis under the action of a position dependent force F=(5x2-2x)N work done by forces on the particle when it moves from origin to x =3m is? |
| Answer» The particle moves along x axis under the action of a position dependent force F=(5x2-2x)N work done by forces on the particle when it moves from origin to x =3m is? | |
| 2349. |
26.What is the reaction of the hinge when rod is suspended vertically through hinge,(mass of rod is M). |
| Answer» 26.What is the reaction of the hinge when rod is suspended vertically through hinge,(mass of rod is M). | |
| 2350. |
A student covered a torch with red cellophane sheet to obtain red light. Using the red light she obtains a shadow of an opaque object. She repeats this activity with green and blue light. Will the colour of the light affect the shadow? Explain. |
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Answer» A student covered a torch with red cellophane sheet to obtain red light. Using the red light she obtains a shadow of an opaque object. She repeats this activity with green and blue light. Will the colour of the light affect the shadow? Explain. |
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