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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.
| 4351. |
a particle is at rest at t=0. If acceleration of the particle is given as a=sinπt+cosπt in SI units,then maximum speed of the particle is |
| Answer» a particle is at rest at t=0. If acceleration of the particle is given as a=sinπt+cosπt in SI units,then maximum speed of the particle is | |
| 4352. |
Why do the heavy vehicles have large number of wheels? |
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Answer» Why do the heavy vehicles have large number of wheels? |
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| 4353. |
The angle of incidence is the angle between a ray of light and the mirror. Do you agree? Give reasons. |
| Answer» The angle of incidence is the angle between a ray of light and the mirror. Do you agree? Give reasons. | |
| 4354. |
3. Three charged paricles each having a charge q are kept fixed at the vertices of an equilateral triangle of sidelength L. The net electrostatic force on any one of the charged particles is |
| Answer» 3. Three charged paricles each having a charge q are kept fixed at the vertices of an equilateral triangle of sidelength L. The net electrostatic force on any one of the charged particles is | |
| 4355. |
In a uniform circular motion, which of the following is true? |
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Answer» In a uniform circular motion, which of the following is true? |
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| 4356. |
What is the pressure exerted by a weight of 80 N on an area of 1.6 m2? |
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Answer» What is the pressure exerted by a weight of 80 N on an area of 1.6 m2? |
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| 4357. |
Find the area of the orange colored part. The side of the outer square is 30 cm and the side of the inner square is 15 cm. |
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Answer» Find the area of the orange colored part. The side of the outer square is 30 cm and the side of the inner square is 15 cm.
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| 4358. |
The maximum electric field at a point on the axis of a uniformly charged ring is 'E'. At how many points on the axis will the magnitude of electric field be E/2 |
| Answer» The maximum electric field at a point on the axis of a uniformly charged ring is 'E'. At how many points on the axis will the magnitude of electric field be E/2 | |
| 4359. |
What are volts, watts and ampere? |
| Answer» What are volts, watts and ampere? | |
| 4360. |
25.An electric bulb is rated 220V and 100 W. When it is operated on 110V, the power consumed will be what? |
| Answer» 25.An electric bulb is rated 220V and 100 W. When it is operated on 110V, the power consumed will be what? | |
| 4361. |
What do you think will happen if the number of turns around the nail are increased? |
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Answer» What do you think will happen if the number of turns around the nail are increased? |
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| 4362. |
How come :ch2 is an electrophile if it already has a lone pair |
| Answer» How come :ch2 is an electrophile if it already has a lone pair | |
| 4363. |
Arrange the following oxides in a decreasing order of their stability. potassium oxide, sodium oxide, magnesium oxide and calcium oxide |
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Answer» Arrange the following oxides in a decreasing order of their stability. potassium oxide, sodium oxide, magnesium oxide and calcium oxide |
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| 4364. |
Q.1) A person standing at a point 12 m from a wall that produces an echo will not hear it. Give reason |
| Answer» Q.1) A person standing at a point 12 m from a wall that produces an echo will not hear it. Give reason | |
| 4365. |
A charge +q and -4q are separated at a distance of d. Where should be the third charge Q be placed inbetween them to be in equilibrium. And find the magnitude of Q |
| Answer» A charge +q and -4q are separated at a distance of d. Where should be the third charge Q be placed inbetween them to be in equilibrium. And find the magnitude of Q | |
| 4366. |
In the given figure, PQR is a right angled triangle, right angled at Q. An ant travels from P to Q, covering 13 m. Then, it travels from Q to R covering 12 m. What is the distance travelled by the ant? Also, what is its displacement from the initial position? |
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Answer» In the given figure, PQR is a right angled triangle, right angled at Q. An ant travels from P to Q, covering 13 m. Then, it travels from Q to R covering 12 m. What is the distance travelled by the ant? Also, what is its displacement from the initial position?
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| 4367. |
Why does light bend after refraction? |
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Answer» Why does light bend after refraction? |
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| 4368. |
22. A dog weighing 5 kg is standing on a flat boat so that it is 10 m from the Shore. dog Walks 4 m on the boat towards shore and then halts. Mass of what is 20 kg and there is no friction between it and water how far is the dog from the Shore at the end of this time. 1. 6 m 2. 5.2m 3. 6.8m 4. 8.3m |
| Answer» 22. A dog weighing 5 kg is standing on a flat boat so that it is 10 m from the Shore. dog Walks 4 m on the boat towards shore and then halts. Mass of what is 20 kg and there is no friction between it and water how far is the dog from the Shore at the end of this time. 1. 6 m 2. 5.2m 3. 6.8m 4. 8.3m | |
| 4369. |
The temperature of water at the surface of a deep lake is 2∘C. The temperature of water expected at the bottom is _____. |
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Answer» The temperature of water at the surface of a deep lake is 2∘C. The temperature of water expected at the bottom is _____. |
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| 4370. |
Refractive index of water is ___ than/to that of air. |
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Answer» Refractive index of water is |
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| 4371. |
Question 5Which one of the following solutions will not conduct electricity?(a) Lemon juice(b) Vinegar(c) Tap water(d) Vegetable oil |
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Answer» Question 5 |
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| 4372. |
The unit of electric potential is जूल पर कोल्लम but Newton metre per coulomb can also be the unit of electric potential isn't it? |
| Answer» The unit of electric potential is जूल पर कोल्लम but Newton metre per coulomb can also be the unit of electric potential isn't it? | |
| 4373. |
Write the difference between constellations Saptarshi and Mrug nakshatra |
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Answer» Write the difference between constellations Saptarshi and Mrug nakshatra |
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| 4374. |
Short note on Shadow. |
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Answer» Short note on Shadow. |
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| 4375. |
What is magnitude? |
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Answer» What is magnitude? |
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| 4376. |
A piece of iron nail when kept horizontally on the surface of the sand, rests on it but when kept vertically, digs a small hole. Why does this happen? |
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Answer» A piece of iron nail when kept horizontally on the surface of the sand, rests on it but when kept vertically, digs a small hole. Why does this happen? |
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| 4377. |
Name the characteristic of the sound affected due to a change in its (a) amplitude (b) wave form (c)frequency. |
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Answer» Name the characteristic of the sound affected due to a change in its (a) amplitude (b) wave form (c)frequency. |
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| 4378. |
109.A ball is thrown upward draw a plot represent speed time graph of the ball during its flight if air resistance is not ignored Also explain how to draw this graph |
| Answer» 109.A ball is thrown upward draw a plot represent speed time graph of the ball during its flight if air resistance is not ignored Also explain how to draw this graph | |
| 4379. |
Magnetic force acting on the charged particle projected perpendicular to magnetic field is proportional to r to the power n where r is radius of circular path .Find n |
| Answer» Magnetic force acting on the charged particle projected perpendicular to magnetic field is proportional to r to the power n where r is radius of circular path .Find n | |
| 4380. |
A runner completes one round of a circular track of diameter 400 m in 40 s. What will be the distance covered and the displacement respectively at the end of 2 min 20 s? |
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Answer» A runner completes one round of a circular track of diameter 400 m in 40 s. What will be the distance covered and the displacement respectively at the end of 2 min 20 s? |
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| 4381. |
How do the grooves of a tire increase the friction please explain using a diagram and a proper explanation |
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Answer» How do the grooves of a tire increase the friction please explain using a diagram and a proper explanation |
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| 4382. |
A ray OA is incident upon a smooth surface POQ. It is reflected back along OB, a normal ON is drawn perpendicular to the surface at O (the point of incidence) and the value of ∠AOP is 60∘. Find the value of x. |
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Answer»
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| 4383. |
If we begin to observe Earth from 1 January 2001, how many revolutions did Earth make around Sun until 1 January 2005? |
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Answer» If we begin to observe Earth from 1 January 2001, how many revolutions did Earth make around Sun until 1 January 2005? |
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| 4384. |
Statement 1: Tides are periodic rise and fall of the ocean's surface.Statement 2: Tides are caused by combined effects of the gravitational forces exerted by the Moon and the Sun.Choose the correct option. |
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Answer» Statement 1: Tides are periodic rise and fall of the ocean's surface. |
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| 4385. |
ntThe rate of doing work by force acting on a particle moving along x-axis depends on position x of particle and is equal to 2x . The velocity of particle is given by expression ?n |
| Answer» ntThe rate of doing work by force acting on a particle moving along x-axis depends on position x of particle and is equal to 2x . The velocity of particle is given by expression ?n | |
| 4386. |
A sheet is 11 cm long & 2 cm wide. Circular pieces 0.5 cm in diameter are cut from it to prepare discs. Calculate the number of discs that can be prepared. |
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Answer» A sheet is 11 cm long & 2 cm wide. Circular pieces 0.5 cm in diameter are cut from it to prepare discs. Calculate the number of discs that can be prepared. |
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| 4387. |
A ball is rolling on a road towards the south. What will be the direction of frictional force acting on it? |
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Answer» A ball is rolling on a road towards the south. What will be the direction of frictional force acting on it? |
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| 4388. |
28. WHAT IS meant by amplitude ,frequency and time period of a sound wave |
| Answer» 28. WHAT IS meant by amplitude ,frequency and time period of a sound wave | |
| 4389. |
for hydrogen it's ground state is 1 orbit then for other element like sodium, oxygen, nitrogen which orbit will be ground stste for them ? |
| Answer» for hydrogen it's ground state is 1 orbit then for other element like sodium, oxygen, nitrogen which orbit will be ground stste for them ? | |
| 4390. |
Fill in the blanks. (a) The charge on an ebonite rod is ………… . (b) When glass and silk are rubbed on each other, the glass develops a ………… charge and the silk a ………… one. (c) Friction causes the transfer of ………… particles. |
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Answer» Fill in the blanks. (a) The charge on an ebonite rod is ………… . (b) When glass and silk are rubbed on each other, the glass develops a ………… charge and the silk a ………… one. (c) Friction causes the transfer of ………… particles. |
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| 4391. |
how many 176 ohm resistors (un parallel) are required to carry out a5A current on a 220 V line |
| Answer» how many 176 ohm resistors (un parallel) are required to carry out a5A current on a 220 V line | |
| 4392. |
Question 7Iqbal has to push a lighter box and Seema has to push a similar heavier box on the same floor. Who will have to apply a larger force and why? |
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Answer» Question 7 |
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| 4393. |
13.A ball moves over a fixed track as shown .from A to B the ball rolls without slipping. If surface Bc is frictionless and Ka,Kb and Kc are kinetic energies of ball at A,B and C respectively, then ( refer to the image |
| Answer» 13.A ball moves over a fixed track as shown .from A to B the ball rolls without slipping. If surface Bc is frictionless and Ka,Kb and Kc are kinetic energies of ball at A,B and C respectively, then ( refer to the image | |
| 4394. |
What are the effects of normal force on friction |
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Answer» What are the effects of normal force on friction |
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| 4395. |
(a) Draw a labelled diagram of the human eye. Label the following parts on this diagram: Cornea, Iris, Pupil, Ciliary muscles, Eye-lens, Retina, Optic nerve and Blind spot. (b) What are the functions of the following parts of the eye? (i) Iris (ii) Eye-lens (iii) Ciliary muscles (iv) Retina (v) Optic nerve |
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Answer» (a) Draw a labelled diagram of the human eye. Label the following parts on this diagram: Cornea, Iris, Pupil, Ciliary muscles, Eye-lens, Retina, Optic nerve and Blind spot. (b) What are the functions of the following parts of the eye? (i) Iris (ii) Eye-lens (iii) Ciliary muscles (iv) Retina (v) Optic nerve |
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| 4396. |
Three weights are hanging over a smooth7.fixed pulley as shown in the figure. What isthe tension in the string connecting weightsB and C?ThB3kg5kg\lbrack AC1kg(2) g/9(1) g(4) 10g/9(3) 8g/9 |
| Answer» Three weights are hanging over a smooth7.fixed pulley as shown in the figure. What isthe tension in the string connecting weightsB and C?ThB3kg5kg\lbrack AC1kg(2) g/9(1) g(4) 10g/9(3) 8g/9 | |
| 4397. |
22. If n balls hit elastically and normally on a surface per unit time and all balls of mass m are moving with same velocity u then force on surface is |
| Answer» 22. If n balls hit elastically and normally on a surface per unit time and all balls of mass m are moving with same velocity u then force on surface is | |
| 4398. |
15. How to calculate packaging efficiency for various type of unit cells.(FCC and BCC unit cell) |
| Answer» 15. How to calculate packaging efficiency for various type of unit cells.(FCC and BCC unit cell) | |
| 4399. |
Which of the following is a terrestrial planet? |
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Answer» Which of the following is a terrestrial planet? |
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| 4400. |
Why water bubbles are spherical in shape? |
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Answer» Why water bubbles are spherical in shape? |
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