9478 + Interview Questions in Physics Page 125 InterviewSolution

6201.	What happens when two force act in appropriate direction on an object?
Answer» What happens when two force act in appropriate direction on an object?

Discussion

6202.	Which of the following statements are correct? 1. An earthquake is a sudden shaking or trembling of the earth. 2. The earth is balanced on the horn of a bull and when the bull shifts it to the other horn, an earthquake takes place. 3. Earthquakes occur all the time, all over the earth. 4. Major earthquakes can cause immense damage.
Answer» Which of the following statements are correct? 1. An earthquake is a sudden shaking or trembling of the earth. 2. The earth is balanced on the horn of a bull and when the bull shifts it to the other horn, an earthquake takes place. 3. Earthquakes occur all the time, all over the earth. 4. Major earthquakes can cause immense damage.

6202.

Which of the following statements are correct? 1. An earthquake is a sudden shaking or trembling of the earth. 2. The earth is balanced on the horn of a bull and when the bull shifts it to the other horn, an earthquake takes place. 3. Earthquakes occur all the time, all over the earth. 4. Major earthquakes can cause immense damage.

Answer»

Which of the following statements are correct?

1. An earthquake is a sudden shaking or trembling of the earth.

2. The earth is balanced on the horn of a bull and when the bull shifts it to the other horn, an earthquake takes place.

3. Earthquakes occur all the time, all over the earth.

4. Major earthquakes can cause immense damage.

Discussion

6203.	Why are double tyres provided at the rear wheels of a truck.
Answer» Why are double tyres provided at the rear wheels of a truck.

Discussion

6204.	Define Velocity ?
Answer» Define Velocity ?

Discussion

6205.	What are the major problems that the electroplating factories are faced with? [3 marks]
Answer» What are the major problems that the electroplating factories are faced with? [3 marks]

Discussion

6206.	Harmonics are:
Answer» Harmonics are:

Discussion

6207.	How does the atmospheric pressure change with altitude?
Answer» How does the atmospheric pressure change with altitude?

Discussion

6208.	When sound enter in human ear it travel down a canal at the end of which a thin membrane is stretched tightly . what is the name of that membrane ?
Answer» When sound enter in human ear it travel down a canal at the end of which a thin membrane is stretched tightly . what is the name of that membrane ?

Discussion

6209.	A force that always tends to slow down the motion of an object on a surface is:
Answer» A force that always tends to slow down the motion of an object on a surface is:

Discussion

6210.	Time period from one noon to next noon is called ____
Answer» Time period from one noon to next noon is called ____

Discussion

6211.	Four resistors of 4 ohm each are connected in parallel, four such combinations are then connected in series. Their total resistance is
Answer» Four resistors of 4 ohm each are connected in parallel, four such combinations are then connected in series. Their total resistance is

Discussion

6212.	An insect moves along the sides of a wall of dimensions 12m × 5 m starting from one corner and reaches the diagonally opposite corner. If the insect takes 2 s to reach the diagonally opposite corner, then find the ratio of average speed to the average velocity of the insect.
Answer» An insect moves along the sides of a wall of dimensions 12m × 5 m starting from one corner and reaches the diagonally opposite corner. If the insect takes 2 s to reach the diagonally opposite corner, then find the ratio of average speed to the average velocity of the insect.

Discussion

6213.	A pendulum swings through on angle of 30∘ and describes an arc 8.8 cm in length. Then the length of pendulum in cm is ___ .
Answer» A pendulum swings through on angle of $30^{\circ}$ and describes an arc 8.8 cm in length. Then the length of pendulum in cm is ___ .

Discussion

6214.	Which of the following statement(s) is/are true about the Coriolis Effect?
Answer» Which of the following statement(s) is/are true about the Coriolis Effect?

Discussion

6215.	The displacement-distance graph for a particle in a wave is shown below. Then ___ m is the wavelength(λ) of the wave.
Answer» The displacement-distance graph for a particle in a wave is shown below. Then ___ m is the wavelength $(λ)$ of the wave.

Discussion

6216.	The temperature at which a real gas obeys the ideal gas law over an appreciable range of pressure is called:
Answer» The temperature at which a real gas obeys the ideal gas law over an appreciable range of pressure is called:

Discussion

6217.	A compass has a small balanced pointer that always points North-South. This is because:
Answer» A compass has a small balanced pointer that always points North-South. This is because:

Discussion

6218.	Arrange the following metals in their increasing order of ability to conduct electricity: silver, aluminium, copper, gold. Why is copper the first choice for making conducting wires? [3 MARKS]
Answer» Arrange the following metals in their increasing order of ability to conduct electricity: silver, aluminium, copper, gold. Why is copper the first choice for making conducting wires? [3 MARKS]

Discussion

6219.	A positively charged object repels another charged object held near it. What is the nature of charge on the other object ?
Answer» A positively charged object repels another charged object held near it. What is the nature of charge on the other object ?

Discussion

6220.	We see objects due to reflection but do we see light also due to reflection.
Answer» We see objects due to reflection but do we see light also due to reflection.

Discussion

6221.	Two springs A and B with same spring constant 'k' are compressed to different lengths x metres and 3x metres respectively. The forces developed in A and B are in the ratio:
Answer» Two springs A and B with same spring constant 'k' are compressed to different lengths $x m e t r e s$ and $3 x m e t r e s$ respectively. The forces developed in A and B are in the ratio:

Discussion

6222.	Which of the following scientist in 1749 was the first to determine that in the thunderstorm, the clouds are electrically charged?
Answer» Which of the following scientist in 1749 was the first to determine that in the thunderstorm, the clouds are electrically charged?

Discussion

6223.	Relate the image distance (v), object distance(u) , image height(h') and object height(h) for the formula of magnification (M).
Answer» Relate the image distance (v), object distance(u) , image height(h') and object height(h) for the formula of magnification (M).

Discussion

6224.	The force of attraction (A) between two objects, whose masses are fixed, varies inversely with the square of their distance of separation (d). The force of attraction between them is 2 units when the distance is 5 cm. What is the distance between the two two objects,if the attraction between them is 8 units?
Answer» The force of attraction (A) between two objects, whose masses are fixed, varies inversely with the square of their distance of separation (d). The force of attraction between them is 2 units when the distance is 5 cm. What is the distance between the two two objects,if the attraction between them is 8 units?

Discussion

6225.	What is vector and velocity ?
Answer» What is vector and velocity ?

Discussion

6226.	At what position of the Moon will we see a new moon on Earth?
Answer» At what position of the Moon will we see a new moon on Earth?

6226.

At what position of the Moon will we see a new moon on Earth?

Answer»

At what position of the Moon will we see a new moon on Earth?

Discussion

6227.	A tester is used to check the conduction of electricity through two solutions, labelled A and B. It is found that the bulb of the tester glows brightly for solution A while it glows very dimly for solution B. You would conclude that
Answer» A tester is used to check the conduction of electricity through two solutions, labelled A and B. It is found that the bulb of the tester glows brightly for solution A while it glows very dimly for solution B. You would conclude that

6227.

A tester is used to check the conduction of electricity through two solutions, labelled A and B. It is found that the bulb of the tester glows brightly for solution A while it glows very dimly for solution B. You would conclude that

Answer»

A tester is used to check the conduction of electricity through two solutions, labelled A and B. It is found that the bulb of the tester glows brightly for solution A while it glows very dimly for solution B. You would conclude that

Discussion

6228.	Why is night sky black and early morning sky is blue?
Answer» Why is night sky black and early morning sky is blue?

Discussion

6229.	Which of the following were units of small distances in ancient India?
Answer» Which of the following were units of small distances in ancient India?

Discussion

6230.	On rubbing silk with glass why do the electrons transfer only from glass to silk? Why not from silk to glass?
Answer» On rubbing silk with glass why do the electrons transfer only from glass to silk? Why not from silk to glass?

Discussion

6231.	How is the zero error calculated in a vernier calliper?
Answer» How is the zero error calculated in a vernier calliper?

Discussion

6232.	A capped empty glass bottle floats into tank, whereas uncapped empty glass bottle sink . Why?
Answer» A capped empty glass bottle floats into tank, whereas uncapped empty glass bottle sink . Why?

Discussion

6233.	Four children were asked to arrange 12 boxes in increasing order of their weight by dragging them horizontally on the floor. They had to overcome what type of friction?___
Answer» Four children were asked to arrange 12 boxes in increasing order of their weight by dragging them horizontally on the floor. They had to overcome what type of friction?___

Discussion

6234.	Distinguish between density and relative density.
Answer» Distinguish between density and relative density.

Discussion

6235.	In the diagram, two friends are pushing a box in opposite directions as shown below. In which direction will the block move?
Answer» In the diagram, two friends are pushing a box in opposite directions as shown below. In which direction will the block move?

6235.

In the diagram, two friends are pushing a box in opposite directions as shown below. In which direction will the block move?

Answer»

In the diagram, two friends are pushing a box in opposite directions as shown below. In which direction will the block move?

Discussion

6236.	In which of the following cases time period of a wave is maximum?
Answer» In which of the following cases time period of a wave is maximum?

Discussion

6237.	What are audible and inaudible sounds? What is the audibility frequency range for human ear? [3 MARKS]
Answer» What are audible and inaudible sounds? What is the audibility frequency range for human ear? [3 MARKS]

Discussion

6238.	What is the main cause of refraction of light ?
Answer» What is the main cause of refraction of light ?

Discussion

6239.	Is there friction when an object is at rest?
Answer» Is there friction when an object is at rest?

Discussion

6240.	The diameter of neck and bottom of a bottle are 2cm and 10 cm respectively . The bottle is completely filled with oil . If the cork in the neck is pressed in with a force of 1.2kgf,what force is exerted on the bottom of the bottle?
Answer» The diameter of neck and bottom of a bottle are 2cm and 10 cm respectively . The bottle is completely filled with oil . If the cork in the neck is pressed in with a force of 1.2kgf,what force is exerted on the bottom of the bottle?

Discussion

6241.	Why light travels fastest in the world??
Answer» Why light travels fastest in the world??

Discussion

6242.	How to find which is positive and negative terminal in a Circuit diagram made using lines
Answer» How to find which is positive and negative terminal in a Circuit diagram made using lines

Discussion

6243.	Explain all the different types of chemical effects of electric current.
Answer» Explain all the different types of chemical effects of electric current.

Discussion

6244.	What is Geothermal or spring ?
Answer» What is Geothermal or spring ?

Discussion

6245.	The head scale of a screw gauge has 100 divisions and the screw moves 4 mm ahead in four rotations of the circular head. The pitch and the least count are respectively
Answer» The head scale of a screw gauge has 100 divisions and the screw moves 4 mm ahead in four rotations of the circular head. The pitch and the least count are respectively

Discussion

6246.	Name two liquids which conduct electricity and two liquids which do not conduct electricity.
Answer» Name two liquids which conduct electricity and two liquids which do not conduct electricity.

Discussion

6247.	Pinna is a part of
Answer» Pinna is a part of

Discussion

6248.	Which of the following would you choose in case you lost your way?
Answer» Which of the following would you choose in case you lost your way?

Discussion

6249.	The ratio of magnitude of velocity and speed is always:
Answer» The ratio of magnitude of velocity and speed is always:

Discussion

6250.	Why does a potter keep a towel on his head while carrying a load?
Answer» Why does a potter keep a towel on his head while carrying a load?

Discussion

Explore topic-wise InterviewSolutions in .

What happens when two force act in appropriate direction on an object?

Why are double tyres provided at the rear wheels of a truck.

Define Velocity ?

What are the major problems that the electroplating factories are faced with? [3 marks]

Harmonics are:

How does the atmospheric pressure change with altitude?

When sound enter in human ear it travel down a canal at the end of which a thin membrane is stretched tightly . what is the name of that membrane ?

A force that always tends to slow down the motion of an object on a surface is:

Time period from one noon to next noon is called ____

Four resistors of 4 ohm each are connected in parallel, four such combinations are then connected in series. Their total resistance is

An insect moves along the sides of a wall of dimensions 12m × 5 m starting from one corner and reaches the diagonally opposite corner. If the insect takes 2 s to reach the diagonally opposite corner, then find the ratio of average speed to the average velocity of the insect.

A pendulum swings through on angle of 30∘ and describes an arc 8.8 cm in length. Then the length of pendulum in cm is ___ .

Which of the following statement(s) is/are true about the Coriolis Effect?

The displacement-distance graph for a particle in a wave is shown below. Then ___ m is the wavelength(λ) of the wave.

The temperature at which a real gas obeys the ideal gas law over an appreciable range of pressure is called:

A compass has a small balanced pointer that always points North-South. This is because:

Arrange the following metals in their increasing order of ability to conduct electricity: silver, aluminium, copper, gold. Why is copper the first choice for making conducting wires? [3 MARKS]

A positively charged object repels another charged object held near it. What is the nature of charge on the other object ?

We see objects due to reflection but do we see light also due to reflection.

Two springs A and B with same spring constant 'k' are compressed to different lengths x metres and 3x metres respectively. The forces developed in A and B are in the ratio:

Which of the following scientist in 1749 was the first to determine that in the thunderstorm, the clouds are electrically charged?

Relate the image distance (v), object distance(u) , image height(h') and object height(h) for the formula of magnification (M).

What is vector and velocity ?

At what position of the Moon will we see a new moon on Earth?

A tester is used to check the conduction of electricity through two solutions, labelled A and B. It is found that the bulb of the tester glows brightly for solution A while it glows very dimly for solution B. You would conclude that

Why is night sky black and early morning sky is blue?

Which of the following were units of small distances in ancient India?

On rubbing silk with glass why do the electrons transfer only from glass to silk? Why not from silk to glass?

How is the zero error calculated in a vernier calliper?

A capped empty glass bottle floats into tank, whereas uncapped empty glass bottle sink . Why?

Four children were asked to arrange 12 boxes in increasing order of their weight by dragging them horizontally on the floor. They had to overcome what type of friction?___

Distinguish between density and relative density.

In the diagram, two friends are pushing a box in opposite directions as shown below. In which direction will the block move?

In which of the following cases time period of a wave is maximum?

What are audible and inaudible sounds? What is the audibility frequency range for human ear? [3 MARKS]

What is the main cause of refraction of light ?

Is there friction when an object is at rest?

The diameter of neck and bottom of a bottle are 2cm and 10 cm respectively . The bottle is completely filled with oil . If the cork in the neck is pressed in with a force of 1.2kgf,what force is exerted on the bottom of the bottle?

Why light travels fastest in the world??

How to find which is positive and negative terminal in a Circuit diagram made using lines

Explain all the different types of chemical effects of electric current.

What is Geothermal or spring ?

The head scale of a screw gauge has 100 divisions and the screw moves 4 mm ahead in four rotations of the circular head. The pitch and the least count are respectively

Name two liquids which conduct electricity and two liquids which do not conduct electricity.

Pinna is a part of

Which of the following would you choose in case you lost your way?

The ratio of magnitude of velocity and speed is always:

Why does a potter keep a towel on his head while carrying a load?