9478 + Interview Questions in Physics Page 127 InterviewSolution

6301.	Why it is preferable to classify materials into good or poor conductors instead of classifying into conductors or insulators?
Answer» Why it is preferable to classify materials into good or poor conductors instead of classifying into conductors or insulators?

Discussion

6302.	When water and ice particles rub together inside a thunder cloud, the positive and negative charges _______.
Answer» When water and ice particles rub together inside a thunder cloud, the positive and negative charges _______.

Discussion

6303.	Why is motion relative not absolute?
Answer» Why is motion relative not absolute?

Discussion

6304.	What do you mean by the changes of state? Write the flow chart showing the complete cycle of change of state.
Answer» What do you mean by the changes of state? Write the flow chart showing the complete cycle of change of state.

Discussion

6305.	Describe Lightning conductor.
Answer» Describe Lightning conductor.

Discussion

6306.	If the area on which a force acts is small, it can produce large:
Answer» If the area on which a force acts is small, it can produce large:

Discussion

6307.	A space rock is at an average distance of 40 AU from the earth, which is equal to light years.
Answer» A space rock is at an average distance of 40 AU from the earth, which is equal to light years.

Discussion

6308.	Which of the following forces is necessary to cause horizontal motion on the ground?
Answer» Which of the following forces is necessary to cause horizontal motion on the ground?

Discussion

6309.	In a circuit, 10 C of charge is passed through a battery in a given time. The plates of the battery are maintained at a potential difference of 12 V. How much work is done by the battery?
Answer» In a circuit, 10 C of charge is passed through a battery in a given time. The plates of the battery are maintained at a potential difference of 12 V. How much work is done by the battery?

Discussion

6310.	In which direction does the force of friction act?
Answer» In which direction does the force of friction act?

Discussion

6311.	To test if a body is charged or not you will use a. Another uncharged body b. A positively charged body c. A negatively charged body d. A positively and negatively charged body and why?
Answer» To test if a body is charged or not you will use a. Another uncharged body b. A positively charged body c. A negatively charged body d. A positively and negatively charged body and why?

Discussion

6312.	If a magnet is placed on a plastic plate with pins spread on it, then ________.
Answer» If a magnet is placed on a plastic plate with pins spread on it, then ________.

Discussion

6313.	Rate of change of velocity is
Answer» Rate of change of velocity is

Discussion

6314.	Why do metals have lusture?
Answer» Why do metals have lusture?

Discussion

6315.	Is viniger conduct electricity
Answer» Is viniger conduct electricity

Discussion

6316.	Most of the liquids that conducts electricity are solutions of_________.
Answer» Most of the liquids that conducts electricity are solutions of_________.

Discussion

6317.	A man is standing 9 m away in front of a mirror. What would be the distance between the man and his image?
Answer» A man is standing $9 m$ away in front of a mirror. What would be the distance between the man and his image?

Discussion

6318.	Ratio of force of limiting friction to normal reaction is?
Answer» Ratio of force of limiting friction to normal reaction is?

Discussion

6319.	If you place your ear close to an iron railing and your friend taps it some distance away, you hear the sound twice.Why is it so?
Answer» If you place your ear close to an iron railing and your friend taps it some distance away, you hear the sound twice.Why is it so?

Discussion

6320.	Why are volatile liquids such as alcohol and spirit stored in tightly closed bottles?
Answer» Why are volatile liquids such as alcohol and spirit stored in tightly closed bottles?

Discussion

6321.	How does sound travel in air?
Answer» How does sound travel in air?

Discussion

6322.	Reva carried out an experiment, she took a watered potted plant and placed it on a sheet of glass and covered it with a bell jar. The edge of the bell jar is sealed with vaseline to make it airtight.The whole apparatus is then placed in a sunny place for an hour or two.What are the observations made by Reva at the end of this experiment?
Answer» Reva carried out an experiment, she took a watered potted plant and placed it on a sheet of glass and covered it with a bell jar. The edge of the bell jar is sealed with vaseline to make it airtight.The whole apparatus is then placed in a sunny place for an hour or two.What are the observations made by Reva at the end of this experiment?

Discussion

6323.	We go high in the sky in aeroplane and take a water bottle and after drinking all the water, we close the water bottle very tightly. After reaching on ground what happens to water bottle and why?
Answer» We go high in the sky in aeroplane and take a water bottle and after drinking all the water, we close the water bottle very tightly. After reaching on ground what happens to water bottle and why?

Discussion

6324.	Can energy be converted into Mass ?
Answer» Can energy be converted into Mass ?

Discussion

6325.	How can force change the shape and state of motion of an object??
Answer» How can force change the shape and state of motion of an object??

Discussion

6326.	Characteristics of the moon's surface
Answer» Characteristics of the moon's surface

Discussion

6327.	The relative velocity between two parallel layers of water is 10 cm/s and the perpendicular distance between them is 0.1 cm. The velocity gradient is
Answer» The relative velocity between two parallel layers of water is 10 cm/s and the perpendicular distance between them is 0.1 cm. The velocity gradient is

Discussion

6328.	Give the name of an electrolyte used in battery
Answer» Give the name of an electrolyte used in battery

Discussion

6329.	Fill in the blanks. Wearing her new sport shoes, Janice sprinted ________ than her friends.
Answer» Fill in the blanks. Wearing her new sport shoes, Janice sprinted ________ than her friends.

6329.

Fill in the blanks. Wearing her new sport shoes, Janice sprinted ________ than her friends.

Answer»

Fill in the blanks.

Wearing her new sport shoes, Janice sprinted ________ than her friends.

Discussion

6330.	Which out of the following characteristic determines the loudness of sound wave?
Answer» Which out of the following characteristic determines the loudness of sound wave?

Discussion

6331.	Why is and atom considered neutral though it contains charged particles like electrons and protons
Answer» Why is and atom considered neutral though it contains charged particles like electrons and protons

Discussion

6332.	A box is subjected to two forces as shown in the figure below. In which direction will the box move?
Answer» A box is subjected to two forces as shown in the figure below. In which direction will the box move?

Discussion

6333.	Suppose you apply a force of 5N parallel to a wall. What will be the trust.
Answer» Suppose you apply a force of 5N parallel to a wall. What will be the trust.

Discussion

6334.	Arrange the following in the increasing order of temperature.
Answer» Arrange the following in the increasing order of temperature.

Discussion

6335.	A ray of light falling parallel to the principal axis on a convex mirror follows which of the following path?
Answer» A ray of light falling parallel to the principal axis on a convex mirror follows which of the following path?

6335.

A ray of light falling parallel to the principal axis on a convex mirror follows which of the following path?

Answer»

A ray of light falling parallel to the principal axis on a convex mirror follows which of the following path?

Discussion

6336.	A light bulb sometimes glows brightly and sometimes dim. Why?
Answer» A light bulb sometimes glows brightly and sometimes dim. Why?

Discussion

6337.	Name the way of charging a conductor in which the charge is shared.
Answer» Name the way of charging a conductor in which the charge is shared.

Discussion

6338.	Define the term 'pressure' and state its unit.
Answer» Define the term 'pressure' and state its unit.

Discussion

6339.	An object weighing 100 N, when completely immersed, displaces water (50 N). What is the buoyant force?
Answer» An object weighing 100 N, when completely immersed, displaces water (50 N). What is the buoyant force?

Discussion

6340.	Why are particles closely packed in solids and not in liquids or gases?
Answer» Why are particles closely packed in solids and not in liquids or gases?

Discussion

6341.	The displacement-time graph for a particle in a wave is shown below. Then the frequency of the wave is
Answer» The displacement-time graph for a particle in a wave is shown below. Then the frequency of the wave is

Discussion

6342.	The diagrams below show a V - Shaped object placed in different orientations. In which position does the object exert the maximum pressure on the surface if it is resting?
Answer» The diagrams below show a V - Shaped object placed in different orientations. In which position does the object exert the maximum pressure on the surface if it is resting?

Discussion

6343.	How much is the air pressure on the surface of moon?
Answer» How much is the air pressure on the surface of moon?

Discussion

6344.	Collinearity is (preserved/changed) ___ under reflection.
Answer» Collinearity is (preserved/changed) ___ under reflection.

Discussion

6345.	What is amplitude and vacuum.
Answer» What is amplitude and vacuum.

Discussion

6346.	If a ball of mass 1 kg is falling from a height 10 m. What will be the kinetic energy of the ball when it hits the ground?( take g = 10 m/s2) and neglect air drag.
Answer» If a ball of mass 1 kg is falling from a height 10 m. What will be the kinetic energy of the ball when it hits the ground?( take g = 10 m/s²) and neglect air drag.

Discussion

6347.	The minimum intensity of sound is zero at a point due to two sources of nearly equal frequencies, when
Answer» The minimum intensity of sound is zero at a point due to two sources of nearly equal frequencies, when

Discussion

6348.	The fastest mode of transfer of heat is:
Answer» The fastest mode of transfer of heat is:

Discussion

6349.	Tamil Nadu state government has banned Ketoprofen, a non-steroid anti-inflammatory drug (NSAID) to save
Answer» Tamil Nadu state government has banned Ketoprofen, a non-steroid anti-inflammatory drug (NSAID) to save

Discussion

6350.	What conclusion do you get from the observation that a fountain of water is created at the leaking joint of pipes of the main water supply line ?
Answer» What conclusion do you get from the observation that a fountain of water is created at the leaking joint of pipes of the main water supply line ?

Discussion

Explore topic-wise InterviewSolutions in .

Why it is preferable to classify materials into good or poor conductors instead of classifying into conductors or insulators?

When water and ice particles rub together inside a thunder cloud, the positive and negative charges _______.

Why is motion relative not absolute?

What do you mean by the changes of state? Write the flow chart showing the complete cycle of change of state.

Describe Lightning conductor.

If the area on which a force acts is small, it can produce large:

A space rock is at an average distance of 40 AU from the earth, which is equal to light years.

Which of the following forces is necessary to cause horizontal motion on the ground?

In a circuit, 10 C of charge is passed through a battery in a given time. The plates of the battery are maintained at a potential difference of 12 V. How much work is done by the battery?

In which direction does the force of friction act?

To test if a body is charged or not you will use a. Another uncharged body b. A positively charged body c. A negatively charged body d. A positively and negatively charged body and why?

If a magnet is placed on a plastic plate with pins spread on it, then ________.

Rate of change of velocity is

Why do metals have lusture?

Is viniger conduct electricity

Most of the liquids that conducts electricity are solutions of_________.

A man is standing 9 m away in front of a mirror. What would be the distance between the man and his image?

Ratio of force of limiting friction to normal reaction is?

If you place your ear close to an iron railing and your friend taps it some distance away, you hear the sound twice.Why is it so?

Why are volatile liquids such as alcohol and spirit stored in tightly closed bottles?

How does sound travel in air?

We go high in the sky in aeroplane and take a water bottle and after drinking all the water, we close the water bottle very tightly. After reaching on ground what happens to water bottle and why?

Can energy be converted into Mass ?

How can force change the shape and state of motion of an object??

Characteristics of the moon's surface

The relative velocity between two parallel layers of water is 10 cm/s and the perpendicular distance between them is 0.1 cm. The velocity gradient is

Give the name of an electrolyte used in battery

Fill in the blanks. Wearing her new sport shoes, Janice sprinted ________ than her friends.

Which out of the following characteristic determines the loudness of sound wave?

Why is and atom considered neutral though it contains charged particles like electrons and protons

A box is subjected to two forces as shown in the figure below. In which direction will the box move?

Suppose you apply a force of 5N parallel to a wall. What will be the trust.

Arrange the following in the increasing order of temperature.

A ray of light falling parallel to the principal axis on a convex mirror follows which of the following path?

A light bulb sometimes glows brightly and sometimes dim. Why?

Name the way of charging a conductor in which the charge is shared.

Define the term 'pressure' and state its unit.

An object weighing 100 N, when completely immersed, displaces water (50 N). What is the buoyant force?

Why are particles closely packed in solids and not in liquids or gases?

The displacement-time graph for a particle in a wave is shown below. Then the frequency of the wave is

The diagrams below show a V - Shaped object placed in different orientations. In which position does the object exert the maximum pressure on the surface if it is resting?

How much is the air pressure on the surface of moon?

Collinearity is (preserved/changed) ___ under reflection.

What is amplitude and vacuum.

If a ball of mass 1 kg is falling from a height 10 m. What will be the kinetic energy of the ball when it hits the ground?( take g = 10 m/s2) and neglect air drag.

The minimum intensity of sound is zero at a point due to two sources of nearly equal frequencies, when

The fastest mode of transfer of heat is:

Tamil Nadu state government has banned Ketoprofen, a non-steroid anti-inflammatory drug (NSAID) to save

What conclusion do you get from the observation that a fountain of water is created at the leaking joint of pipes of the main water supply line ?