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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. |
Can a body posses energy even when it is not in motion ? Explain your answer with an example. |
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Answer» Can a body posses energy even when it is not in motion ? Explain your answer with an example. |
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| 2302. |
consider two pint charges Q & -16Q at x=d and x=2d respectively . Find pint on axis where potential is minimum 1) 1.5d 2) 2.3d 3). d/3 4) |
| Answer» consider two pint charges Q & -16Q at x=d and x=2d respectively . Find pint on axis where potential is minimum 1) 1.5d 2) 2.3d 3). d/3 4) | |
| 2303. |
A thin rod is clamped at one end to the wall of a vessel, while the other end is submerged in water. The rod can ratate freely about the horizontal axis at A, which is above the water level. Find the density p of the rod is not submerged in the water |
| Answer» A thin rod is clamped at one end to the wall of a vessel, while the other end is submerged in water. The rod can ratate freely about the horizontal axis at A, which is above the water level. Find the density p of the rod is not submerged in the water | |
| 2304. |
A boat man can row with speed of 12 km/h in still water. If the river flows at 6 km/h, the direction in which the boat man should row to reach a point on the other bank directly opposite to the point of entry in the river is? |
| Answer» A boat man can row with speed of 12 km/h in still water. If the river flows at 6 km/h, the direction in which the boat man should row to reach a point on the other bank directly opposite to the point of entry in the river is? | |
| 2305. |
Q 11/25 10 gm of ice at -20^° C is kept into a calorimetercontaining 10 gm of water at 10^° C. The specific heatof water is twice that of ice. When equilibrium is reached, thecalorimeter will contain |
| Answer» Q 11/25 10 gm of ice at -20^° C is kept into a calorimetercontaining 10 gm of water at 10^° C. The specific heatof water is twice that of ice. When equilibrium is reached, thecalorimeter will contain | |
| 2306. |
List the steps taken by the captain(i) to protect the ship when rough weather began.(ii) to check the flooding of the water in the ship. |
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Answer» List the steps taken by the captain (i) to protect the ship when rough weather began. (ii) to check the flooding of the water in the ship. |
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| 2307. |
16. A car for half of its time at 80km/h and for rest of time at 40km/h. If the total distance covered is 60km. Find the average speed of the car |
| Answer» 16. A car for half of its time at 80km/h and for rest of time at 40km/h. If the total distance covered is 60km. Find the average speed of the car | |
| 2308. |
What is electric pressure |
| Answer» What is electric pressure | |
| 2309. |
In which of the following, does diffused reflection take place when a beam of light strikes it? |
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Answer» In which of the following, does diffused reflection take place when a beam of light strikes it? |
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| 2310. |
Diagonals of a rhombus bisect each other at ______ angles. |
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Answer» Diagonals of a rhombus bisect each other at ______ angles. |
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| 2311. |
If equilibrium pressure in the reactionA(s) B(g) + C(g) is 10 atm then Kp will be |
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Answer» If equilibrium pressure in the reaction A(s) B(g) + C(g) is 10 atm then Kp will be |
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| 2312. |
A car is moving on a St line covers one third of the distance with a speed of 20km/h and the rest with a speed of 60km/h .the average speed of the car is |
| Answer» A car is moving on a St line covers one third of the distance with a speed of 20km/h and the rest with a speed of 60km/h .the average speed of the car is | |
| 2313. |
The correct diagram to show the refraction of light from air to glass is: |
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Answer» The correct diagram to show the refraction of light from air to glass is: |
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| 2314. |
What is lenses |
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Answer» What is lenses |
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| 2315. |
ntA coil in the shape of an equilateral triangle of side l is suspended between the pole pieces of a permanentntmagnet such that B is in plane of the coil. If due to a current i in the triangle a torque tau acts on it, the side lntof the triangle is :n |
| Answer» ntA coil in the shape of an equilateral triangle of side l is suspended between the pole pieces of a permanentntmagnet such that B is in plane of the coil. If due to a current i in the triangle a torque tau acts on it, the side lntof the triangle is :n | |
| 2316. |
In a practical unit if the unit of mass becomesdouble and that of unit of time becomes half, then8 joule will be equal to .unit of work.(2) 4(4) 10(3) 1 |
| Answer» In a practical unit if the unit of mass becomesdouble and that of unit of time becomes half, then8 joule will be equal to .unit of work.(2) 4(4) 10(3) 1 | |
| 2317. |
64. A man walks 30 m towards north and 20 m in East and in last 30 root 2 m toward south West find displacement from origin |
| Answer» 64. A man walks 30 m towards north and 20 m in East and in last 30 root 2 m toward south West find displacement from origin | |
| 2318. |
Enter the correct sequence of the words that should be used in the below paragraph. (i) According to media reports the accident occurred (A) / happened (B) at about 11:30 am. (ii) Caution should be exercised while handling electric (A) / electrical (B) equipment. (iii) Abdul is a carpenter by trade (A) / profession (B). (iv) Apart from the brilliant storyline, the excellent sound and light (A) / lighting (B) effects of the movie made it worth watching. (v) He produced a brilliant feint (A) / faint (B) and thrust the ball into the net. The correct sequence is ___. |
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Answer» Enter the correct sequence of the words that should be used in the below paragraph. (ii) Caution should be exercised while handling electric (A) / electrical (B) equipment. (iii) Abdul is a carpenter by trade (A) / profession (B). (iv) Apart from the brilliant storyline, the excellent sound and light (A) / lighting (B) effects of the movie made it worth watching. (v) He produced a brilliant feint (A) / faint (B) and thrust the ball into the net. |
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| 2319. |
43. why standard electrode potential of elements which donate electrons is negative while of which accept electrons is positive? |
| Answer» 43. why standard electrode potential of elements which donate electrons is negative while of which accept electrons is positive? | |
| 2320. |
What is solid state |
| Answer» What is solid state | |
| 2321. |
The average intensity of radiation on a surface is I. The rms value of the electric field is nearly |
| Answer» The average intensity of radiation on a surface is I. The rms value of the electric field is nearly | |
| 2322. |
Why we are always seeing one side of the Moon? |
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Answer» Why we are always seeing one side of the Moon? |
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| 2323. |
Question 12Is it possible to predict the occurance of an earthquake? |
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Answer» Question 12 Is it possible to predict the occurance of an earthquake? |
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| 2324. |
(i) Explain by an example of what is meant by potential energy. Write down the expression for the gravitational potential energy of a body of mass 'm' placed at a height 'h' above the surface of the earth.(ii) What is the difference between potential energy and kinetic energy?(iii) A ball of mass 0.5 kg slows down from a speed of 5 m/s to that of 3 m/s. Calculate the change in kinetic energy of the ball. State your answer giving proper units. |
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Answer» (i) Explain by an example of what is meant by potential energy. Write down the expression for the gravitational potential energy of a body of mass 'm' placed at a height 'h' above the surface of the earth. (ii) What is the difference between potential energy and kinetic energy? (iii) A ball of mass 0.5 kg slows down from a speed of 5 m/s to that of 3 m/s. Calculate the change in kinetic energy of the ball. State your answer giving proper units. |
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| 2325. |
Match the items given in column A with items of column B |
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Answer» Match the items given in column A with items of column B |
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| 2326. |
If a particle of 1 gm is moving with a velocity 100 m/ s. ,its wavelength is? |
| Answer» If a particle of 1 gm is moving with a velocity 100 m/ s. ,its wavelength is? | |
| 2327. |
A train travels 40 km at a uniform speed of 30kmh−1. Its average speed after travelling another 40 km is 45kmh−1 for the whole journey. Its speed in the second half of the journey is |
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Answer» A train travels 40 km at a uniform speed of 30kmh−1. Its average speed after travelling another 40 km is 45kmh−1 for the whole journey. Its speed in the second half of the journey is |
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| 2328. |
• Look at these pairs of words with opposite meanings -hot cold big small strong weak• Now write the opposites of - good ___________ tall __________ hard ___________ black __________ |
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Answer» • Look at these pairs of words with opposite meanings - hot cold big small strong weak • Now write the opposites of -
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| 2329. |
Diff b/w distance and displacement on the basis of path dependency, numerical value and positive, negative or zero? |
| Answer» Diff b/w distance and displacement on the basis of path dependency, numerical value and positive, negative or zero? | |
| 2330. |
Question 19In following figure, coordinate of P areA) (-4 , 2)B) (-2, 4)C) (4, -2)D) (2,-4) |
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Answer» Question 19 In following figure, coordinate of P are  A) (-4 , 2) B) (-2, 4) C) (4, -2) D) (2,-4) |
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| 2331. |
A sound of wavelength was found to be 151 m. If its speed in a medium is 113,250 m/s, what could be the frequency of the sound wave? |
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Answer» A sound of wavelength was found to be 151 m. If its speed in a medium is 113,250 m/s, what could be the frequency of the sound wave? |
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| 2332. |
What is the average speed and average velocity at t = 30s respectively? |
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Answer»
What is the average speed and average velocity at t = 30s respectively? |
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| 2333. |
If the product of number of free electrons and number of holes in a silicon intrinsic semiconductor is 1036, then number of free electrons is - |
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Answer» If the product of number of free electrons and number of holes in a silicon intrinsic semiconductor is 1036, then number of free electrons is - |
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| 2334. |
What is the volume of a sphere? |
| Answer» What is the volume of a sphere? | |
| 2335. |
37.S1 and S2 are two coherent sources of sound having no initial phase difference. The velocity of sound is 330 m/s. No maximum will be formed on the line passing through S2 and perpendicular to the line joining S1 and S2. If the frequency of both the sources is |
| Answer» 37.S1 and S2 are two coherent sources of sound having no initial phase difference. The velocity of sound is 330 m/s. No maximum will be formed on the line passing through S2 and perpendicular to the line joining S1 and S2. If the frequency of both the sources is | |
| 2336. |
How to measure the speed? |
| Answer» How to measure the speed? | |
| 2337. |
two gases N_{2 }and O_2 are at temperature 298k. what is ratio of their kinetic energy |
| Answer» two gases N_{2 }and O_2 are at temperature 298k. what is ratio of their kinetic energy | |
| 2338. |
A very hot glass on putting under cold water cracks. This change is due to ______. |
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Answer» A very hot glass on putting under cold water cracks. This change is due to ______. |
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| 2339. |
171, Power applied to a particle varies with timeas P = (4t3-5t + 2/watt, where t is in second.Find the change is its K.E. between timet=2and t = 4 sec.(1) 212J21 ((2) 213J214 J.KS(4) 215JENTHUSIAS |
| Answer» 171, Power applied to a particle varies with timeas P = (4t3-5t + 2/watt, where t is in second.Find the change is its K.E. between timet=2and t = 4 sec.(1) 212J21 ((2) 213J214 J.KS(4) 215JENTHUSIAS | |
| 2340. |
A particle moves in a straight line and its speed { depends on time as v=\vert2t-3\vert. ∫vdt represents the distance travelled of the particle then find the { displacement of the particle in 5s{ (1) 65m{ (2) 12.25m{ (3) 2.25m{ (4) 14.5m |
| Answer» A particle moves in a straight line and its speed { depends on time as v=\vert2t-3\vert. ∫vdt represents the distance travelled of the particle then find the { displacement of the particle in 5s{ (1) 65m{ (2) 12.25m{ (3) 2.25m{ (4) 14.5m | |
| 2341. |
Question 1An echo returned in 3 s. What is the distance of the reflecting surface from the source, given that the speed of sound is 342ms−1? |
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Answer» Question 1 An echo returned in 3 s. What is the distance of the reflecting surface from the source, given that the speed of sound is 342ms−1? |
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| 2342. |
difference between conduction convection abdvradiatio |
| Answer» difference between conduction convection abdvradiatio | |
| 2343. |
1 hour is equivalent to: |
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Answer» 1 hour is equivalent to: |
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| 2344. |
two long straight parallel conductors 10cm apart, carry currents of 5A each in same direction .then the magnetic induction at a point midway between them is |
| Answer» two long straight parallel conductors 10cm apart, carry currents of 5A each in same direction .then the magnetic induction at a point midway between them is | |
| 2345. |
{ Two identical mas }M moving with velocity }u_1 and }u_2} collide perfectly inelastically. The loss in kinetic } energy is |
| Answer» { Two identical mas }M moving with velocity }u_1 and }u_2} collide perfectly inelastically. The loss in kinetic } energy is | |
| 2346. |
A piece of wood of relative density 0.25 floats in a pot containing oil of relative density 0.81. What will be the fraction of volume of the wood above the surface of the oil. (density of water = 1000 kg/m3) |
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Answer» A piece of wood of relative density 0.25 floats in a pot containing oil of relative density 0.81. What will be the fraction of volume of the wood above the surface of the oil. (density of water = 1000 kg/m3) |
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| 2347. |
If the speed of a car is 20 ms−1, what is the speed in km h−1?72 |
Answer» If the speed of a car is 20 ms−1, what is the speed in km h−1?
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| 2348. |
25.A standard 40 watt tubelight is in parallel with a room heater both connected to a supply line.What will happen when the light is switched off? (1)the heater output will be larger. (2)it will be smaller. (3) it will remain the same. (4)none of the above. |
| Answer» 25.A standard 40 watt tubelight is in parallel with a room heater both connected to a supply line.What will happen when the light is switched off? (1)the heater output will be larger. (2)it will be smaller. (3) it will remain the same. (4)none of the above. | |
| 2349. |
A/An ______ material is clear enough to allow the complete passage of light. |
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Answer» A/An ______ material is clear enough to allow the complete passage of light. |
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| 2350. |
35.find the equivalent resistance between terminal A and B as shown in following circuit |
| Answer» 35.find the equivalent resistance between terminal A and B as shown in following circuit | |
