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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.
| 1601. |
A box is kept on a truck and it does not slide. Which of the following is a correct statement? |
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Answer» A box is kept on a truck and it does not slide. Which of the following is a correct statement? |
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| 1602. |
What is the formula of viscosity and surface tension. Also explain surface tension in detail . |
| Answer» What is the formula of viscosity and surface tension. Also explain surface tension in detail . | |
| 1603. |
The average kinetic energy for 5 moles of an ideal monoatomic gas at 27°c is |
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Answer» The average kinetic energy for 5 moles of an ideal monoatomic gas at 27°c is |
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| 1604. |
Two points sources separated by 2.0 m are radiating in phase with λ=0.50 m. A detector moves in a circular path around the two sources in a plane containing them. How many maxima are detected ? |
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Answer» Two points sources separated by 2.0 m are radiating in phase with λ=0.50 m. A detector moves in a circular path around the two sources in a plane containing them. How many maxima are detected ? |
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| 1605. |
A body of mass 5 kg is placed on a rough horizontal surface. If the coefficient of friction is 1/√3,find what pulling should act on the body at an angle 30(degree) to the horizontal so that the body just begins to move. |
| Answer» A body of mass 5 kg is placed on a rough horizontal surface. If the coefficient of friction is 1/√3,find what pulling should act on the body at an angle 30(degree) to the horizontal so that the body just begins to move. | |
| 1606. |
When a person speaks in front of a microphone, the sound energy changes into : |
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Answer» When a person speaks in front of a microphone, the sound energy changes into : |
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| 1607. |
How many phases of moon are there? |
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Answer» How many phases of moon are there? |
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| 1608. |
why particles of matter are sperical |
| Answer» why particles of matter are sperical | |
| 1609. |
The gravitational force between two objects is F. If both of their masses are halved without altering the distance between them, the new gravitational force between them would be: |
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Answer» The gravitational force between two objects is F. If both of their masses are halved without altering the distance between them, the new gravitational force between them would be: |
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| 1610. |
Which of the following can be used to make a lightning conductor? |
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Answer» Which of the following can be used to make a lightning conductor? |
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| 1611. |
Two charges 4q and -q are placed at a distance r apart.A charge Q is placed exactly. midway between them.What will be the value of Q so that 4q experience no net force? |
| Answer» Two charges 4q and -q are placed at a distance r apart.A charge Q is placed exactly. midway between them.What will be the value of Q so that 4q experience no net force? | |
| 1612. |
The upper half of an inclined plane of inclination \pm is perfectly smooth while lower half is rough. A block starting from rest at the top of the plane will again come to rest at the bottom, if the coefficient of friction between the block and lower half of the plane is given by |
| Answer» The upper half of an inclined plane of inclination \pm is perfectly smooth while lower half is rough. A block starting from rest at the top of the plane will again come to rest at the bottom, if the coefficient of friction between the block and lower half of the plane is given by | |
| 1613. |
The wavelength of mth line Balmer series for an orbital is 4103angstroms.what is the value of m |
| Answer» The wavelength of mth line Balmer series for an orbital is 4103angstroms.what is the value of m | |
| 1614. |
The length of the second's pendulum in a clock is increased to 4 times its initial length. Calculate the number of oscillations completed by the new pendulum in one minute. |
| Answer» The length of the second's pendulum in a clock is increased to 4 times its initial length. Calculate the number of oscillations completed by the new pendulum in one minute. | |
| 1615. |
ntIn a sinusoidal wave , rge the time required for a particular point to move from maximum displacement to zero displacement is 0.170 s. The frequency of wave isn nt(1) 0.73 Hzn nt(2) 0.36 Hzn nt(3) 1.47 Hzn nt(4) 2.94 Hzn |
| Answer» ntIn a sinusoidal wave , rge the time required for a particular point to move from maximum displacement to zero displacement is 0.170 s. The frequency of wave isn nt(1) 0.73 Hzn nt(2) 0.36 Hzn nt(3) 1.47 Hzn nt(4) 2.94 Hzn | |
| 1616. |
What planning is required in advance to deal with the situation created by a cyclone? |
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Answer» What planning is required in advance to deal with the situation created by a cyclone? |
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| 1617. |
Ten identical cells each of emf E and internal resistance r are connected in series to form a closed circuit. An ideal voltmeter connected across three cells, will read(1) 10 E(2) 3 E(3) E(4) Zero |
| Answer» Ten identical cells each of emf E and internal resistance r are connected in series to form a closed circuit. An ideal voltmeter connected across three cells, will read(1) 10 E(2) 3 E(3) E(4) Zero | |
| 1618. |
Q) Mercury is a liquid and conducts electricity . Do you think it is an electrolyte?( Hint : Mercury is a metal that is a liquid at room temperature) Ans) No, though mercury is a liquid at room temperature it is a metal . It cannot be an electrolyte. This is because most of the liquids that can conduct electricity or acids bases and salts whereas mercury is a metal. Could you please check my answer. |
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Answer» Q) Mercury is a liquid and conducts electricity . Do you think it is an electrolyte?( Hint : Mercury is a metal that is a liquid at room temperature) Ans) No, though mercury is a liquid at room temperature it is a metal . It cannot be an electrolyte. This is because most of the liquids that can conduct electricity or acids bases and salts whereas mercury is a metal. Could you please check my answer. |
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| 1619. |
the dis†an ce travelled by a simple pendulum are 16,12,9inconsecutive seconds.find the total dis†an ce travelled before coming to rest |
| Answer» the dis†an ce travelled by a simple pendulum are 16,12,9inconsecutive seconds.find the total dis†an ce travelled before coming to rest | |
| 1620. |
What do you mean by speed and velocity? |
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Answer» What do you mean by speed and velocity? |
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| 1621. |
Which of the following statement is incorrect? |
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Answer» Which of the following statement is incorrect? |
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| 1622. |
Give some effects that can be produced by a force |
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Answer» Give some effects that can be produced by a force |
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| 1623. |
List down any four protective measures that you should take during a lightning. |
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Answer» List down any four protective measures that you should take during a lightning. |
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| 1624. |
Which of the following statements does not represent ohm's law? |
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Answer» Which of the following statements does not represent ohm's law? |
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| 1625. |
Define wave and sound. |
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Answer» Define wave and sound. |
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| 1626. |
An open organ pipe of length l is sounded together with another open organ pipe of length l+x in their fundamental tones. Speed of sound in air is v . The beat frequency heard will be (x |
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Answer» An open organ pipe of length l is sounded together with another open organ pipe of length l+x in their fundamental tones. Speed of sound in air is v . The beat frequency heard will be (x< |
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| 1627. |
A small spherical ball is released from a point at a height h on a rough track shown in figure (10 - E13). Assuming that it does not slip anywhere, find its linear speed when it rolls on the horizontal part of the track. |
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Answer» A small spherical ball is released from a point at a height h on a rough track shown in figure (10 - E13). Assuming that it does not slip anywhere, find its linear speed when it rolls on the horizontal part of the track.
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| 1628. |
What is a constellation? Give an example. |
| Answer» What is a constellation? Give an example. | |
| 1629. |
Light wave travel in vacuum along the x−axis, which of the following may represent the wave front? |
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Answer» Light wave travel in vacuum along the x−axis, which of the following may represent the wave front? |
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| 1630. |
Two sphere made up of same material one ishollow and other is solid having same volume.They are heated at same temperature then initially(1) Rate of heat radiation in solid is more(2) Rate of heat radiation in hollow is more(3) Rate of heat radiation in both are equal(4) Depends on mass of the sphere |
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Answer» Two sphere made up of same material one is hollow and other is solid having same volume. They are heated at same temperature then initially (1) Rate of heat radiation in solid is more (2) Rate of heat radiation in hollow is more (3) Rate of heat radiation in both are equal (4) Depends on mass of the sphere |
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| 1631. |
___ is a device used by pilots and navigators to find the direction. |
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Answer» |
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| 1632. |
What is hydronium ion? |
| Answer» What is hydronium ion? | |
| 1633. |
Ray has a puzzle set with 4 images and different parts of the image. Ray holds a part, X, and looks for the image that has X embedded in it. Find the image that is embedded with X. |
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Answer» Ray has a puzzle set with 4 images and different parts of the image. Ray holds a part, X, and looks for the image that has X embedded in it. Find the image that is embedded with X. |
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| 1634. |
What happens to the springs of a sofa when we sit on it ? |
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Answer» What happens to the springs of a sofa when we sit on it ? |
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| 1635. |
A small ball carries a charge equal to 'e' Coulomb, where 'e' is the charge on an electron. 20 such balls are put in a cylindrical box and sealed. The total charge in the box will be ___ coulomb. |
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Answer» A small ball carries a charge equal to 'e' Coulomb, where 'e' is the charge on an electron. 20 such balls are put in a cylindrical box and sealed. The total charge in the box will be |
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| 1636. |
what is magnetic pole? |
| Answer» what is magnetic pole? | |
| 1637. |
What is number to be dialled in case of fire emergency? |
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Answer» What is number to be dialled in case of fire emergency? |
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| 1638. |
What is the function of cochlea? |
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Answer» What is the function of cochlea? |
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| 1639. |
Question 08 Image formed by a plane mirror is :a) virtual, behind the mirror and enlarged.b) virtual, behind the mirror and of the same size as the object.c) real at the surface of the mirror and enlarged.d) real, behind the mirror and of the same size as the object. |
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Answer» Question 08 |
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| 1640. |
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 minutes 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 minutes 20 s? |
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| 1641. |
Prove the mirror formula and explain it. |
| Answer» Prove the mirror formula and explain it. | |
| 1642. |
Derive Newton’s formula for speed of sound in an ideal gas. What is Laplace correction? |
| Answer» Derive Newton’s formula for speed of sound in an ideal gas. What is Laplace correction? | |
| 1643. |
How does sound propagate in air? Explain. |
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Answer» How does sound propagate in air? Explain. |
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| 1644. |
Which is the brightest star in the night sky. Why is it so bright or what makes it bright? |
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Answer» Which is the brightest star in the night sky. Why is it so bright or what makes it bright? |
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| 1645. |
If we hit the ground with a ball it bounces back because of Newton's third law. Then why it stops bouncing after sometime? |
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Answer» If we hit the ground with a ball it bounces back because of Newton's third law. Then why it stops bouncing after sometime? |
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| 1646. |
What generates electric current in a moving car to light the headlights? |
| Answer» What generates electric current in a moving car to light the headlights? | |
| 1647. |
Two persons manage to push a motorcar of mass 1200kg at uniform velocity along a level road. The same motorcar can be pushed by three persons to produce an acceleration of 0.2 m/s. With what force does each person push the motorcar? (Assume that all persons push the motorcar with the same muscular effort.) |
| Answer» Two persons manage to push a motorcar of mass 1200kg at uniform velocity along a level road. The same motorcar can be pushed by three persons to produce an acceleration of 0.2 m/s. With what force does each person push the motorcar? (Assume that all persons push the motorcar with the same muscular effort.) | |
| 1648. |
A person is balancing between two walls. Identify the direction of friction at the point of contact |
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Answer» A person is balancing between two walls. Identify the direction of friction at the point of contact |
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| 1649. |
Find the energy consumed in 10 hours by 5 devices of power 250W each |
| Answer» Find the energy consumed in 10 hours by 5 devices of power 250W each | |
| 1650. |
Sound waves do not travel through |
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Answer» Sound waves do not travel through |
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