9478 + Interview Questions in Physics Page 138 InterviewSolution

6851.	When earthquake strikes, what precautions should a person take to protect himself when i.) person is at home ii.) person is outside
Answer» When earthquake strikes, what precautions should a person take to protect himself when i.) person is at home ii.) person is outside

6851.

When earthquake strikes, what precautions should a person take to protect himself when i.) person is at home ii.) person is outside

Answer»

When earthquake strikes, what precautions should a person take to protect himself when

i.) person is at home ii.) person is outside

6852.	Aluminium metal is
Answer» Aluminium metal is

Discussion

6853.	Which is the largest moon in our solar system
Answer» Which is the largest moon in our solar system

Discussion

6854.	Why does dispersion not occur in a glass slab?
Answer» Why does dispersion not occur in a glass slab?

Discussion

6855.	What kind of electric charge is required by a plastic comb rubbed with dry hair?
Answer» What kind of electric charge is required by a plastic comb rubbed with dry hair?

Discussion

6856.	Give examples to show that friction is a friend or a foe.
Answer» Give examples to show that friction is a friend or a foe.

Discussion

6857.	Can we reduce friction to zero by polishing surfaces or using large amount of lubricants ?
Answer» Can we reduce friction to zero by polishing surfaces or using large amount of lubricants ?

Discussion

6858.	The angle between the normal at the point of incidence and the incident light ray is known as _____.
Answer» The angle between the normal at the point of incidence and the incident light ray is known as _____.

Discussion

6859.	What is the relation between liquid pressure and depth?
Answer» What is the relation between liquid pressure and depth?

Discussion

6860.	Why does solar system appear black despite white light from sun
Answer» Why does solar system appear black despite white light from sun

Discussion

6861.	Name any one defect of the eye. How is it corrected?
Answer» Name any one defect of the eye. How is it corrected?

Discussion

6862.	The nerve which originate from the brain and goes to the ears for hearing is
Answer» The nerve which originate from the brain and goes to the ears for hearing is

Discussion

6863.	Which of the following solutions in this figure shown will not make the bulb to glow?
Answer» Which of the following solutions in this figure shown will not make the bulb to glow?

6863.

Which of the following solutions in this figure shown will not make the bulb to glow?

Answer»

Which of the following solutions in this figure shown will not make the bulb to glow?

Discussion

6864.	Which one of the following diseases is due to the low converging power of the lens?
Answer» Which one of the following diseases is due to the low converging power of the lens?

Discussion

6865.	If x2+1/x2=27,then value of x+1/x is
Answer» If x2+1/x2=27,then value of x+1/x is

Discussion

6866.	A gum bottle rests on its base. If it is placed upside down, how does the 1) thrust, 2) pressure change?
Answer» A gum bottle rests on its base. If it is placed upside down, how does the 1) thrust, 2) pressure change?

Discussion

6867.	A set up consisting of a bulb, salt solution and a magnetic compass is arranged in such a manner that bulb and salt solution come in between the electric wires connected to the cell and hence complete the circuit, magnetic compass is wrapped with the connecting wires. When switched on, current flows through salt solution, the bulb glows and the needle deflects. Which of the following effects of current is observed?
Answer» A set up consisting of a bulb, salt solution and a magnetic compass is arranged in such a manner that bulb and salt solution come in between the electric wires connected to the cell and hence complete the circuit, magnetic compass is wrapped with the connecting wires. When switched on, current flows through salt solution, the bulb glows and the needle deflects. Which of the following effects of current is observed?

Discussion

6868.	Which of the following is not a member of the solar system?
Answer» Which of the following is not a member of the solar system?

Discussion

6869.	Find the dimensions for the cuboid whose volume is 5x²-25
Answer» Find the dimensions for the cuboid whose volume is 5x²-25

Discussion

6870.	Suspensory ligaments hold _________________ in position
Answer» Suspensory ligaments hold _________________ in position

Discussion

6871.	Question 5 At the time of short circuit, the current in the circuit (a) reduces substantially (b) does not change (c) increases heavily (d) vary continuously
Answer» Question 5 At the time of short circuit, the current in the circuit (a) reduces substantially (b) does not change (c) increases heavily (d) vary continuously

Discussion

6872.	Particles that move towards anode are called _________.
Answer» Particles that move towards anode are called _________.

Discussion

6873.	Explain the following : (a) The surrounding becomes pleasantly warm when water in a lake starts freezing in cold countries. (b) The heat supplied to a substance during its change of state does not cause any rise in its temperature.
Answer» Explain the following : (a) The surrounding becomes pleasantly warm when water in a lake starts freezing in cold countries. (b) The heat supplied to a substance during its change of state does not cause any rise in its temperature.

6873.

Explain the following : (a) The surrounding becomes pleasantly warm when water in a lake starts freezing in cold countries. (b) The heat supplied to a substance during its change of state does not cause any rise in its temperature.

Answer»

Explain the following :

(a) The surrounding becomes pleasantly warm when water in a lake starts freezing in cold countries.

(b) The heat supplied to a substance during its change of state does not cause any rise in its temperature.

Discussion

6874.	What do you mean by short-circuiting of a circuit?
Answer» What do you mean by short-circuiting of a circuit?

Discussion

6875.	What are the objects that can be used in the tester instead of normal bulb to test weak conducting liquids and why? [1 MARK]
Answer» What are the objects that can be used in the tester instead of normal bulb to test weak conducting liquids and why? [1 MARK]

Discussion

6876.	Is Uranus contains water or blue sand
Answer» Is Uranus contains water or blue sand

Discussion

6877.	Choose the correct statements:
Answer» Choose the correct statements:

Discussion

6878.	Sound is explained in terms of ____.
Answer» Sound is explained in terms of ____.

Discussion

6879.	Some statements are given, followed by some conclusions. Consider the statements to be true even if they seem to be at variance from commonly known facts. Decide which of the given conclusions follow from the given statements. Statements: All chains are cycles. Some cycles are wheels. All wheels are mirrors. Conclusions: I. Some cycles are mirrors. II. Some wheels are chains. III. Some mirrors are cycles.
Answer» Some statements are given, followed by some conclusions. Consider the statements to be true even if they seem to be at variance from commonly known facts. Decide which of the given conclusions follow from the given statements. Statements: All chains are cycles. Some cycles are wheels. All wheels are mirrors. Conclusions: I. Some cycles are mirrors. II. Some wheels are chains. III. Some mirrors are cycles.

Discussion

6880.	The wavelength of a sound wave is 40 cm and the time period is 0.0005 s. How many seconds will it take to travel a distance of 4 km?
Answer» The wavelength of a sound wave is $40 c m$ and the time period is $0.0005 s$ . How many seconds will it take to travel a distance of $4 k m$ ?

Discussion

6881.	Why are we able to see only one side of the Moon?
Answer» Why are we able to see only one side of the Moon?

Discussion

6882.	Explain various new techniques being adapted by humans to energy losses due to friction.
Answer» Explain various new techniques being adapted by humans to energy losses due to friction.

Discussion

6883.	A simple pendulum takes 5 seconds to complete 12 oscillations. What will be the time period of pendulum?
Answer» A simple pendulum takes $5$ seconds to complete $12$ oscillations. What will be the time period of pendulum?

Discussion

6884.	What is the difference between regular reflection of light and diffuse reflection of light ? What type of reflection of light takes place from : (a) a cinema screen (b) a plane mirror (c) a cardboard (d) still water surface of a lake
Answer» What is the difference between regular reflection of light and diffuse reflection of light ? What type of reflection of light takes place from : (a) a cinema screen (b) a plane mirror (c) a cardboard (d) still water surface of a lake

Discussion

6885.	A student has to connect 4 cells of 1.5 V each, in-order to form a battery of voltage 6 V. Which of the following figure shows the correct arrangement of cells?
Answer» A student has to connect 4 cells of $1.5 V$ each, in-order to form a battery of voltage $6 V$ . Which of the following figure shows the correct arrangement of cells?

Discussion

6886.	A source is producing 1500 waves in 3 seconds. If the distance covered by a compression and an adjacent rarefaction be 68 cm, find: (a) frequency, (b) wavelength, and (c) velocity, of the sound wave. [5 MARKS]
Answer» A source is producing 1500 waves in 3 seconds. If the distance covered by a compression and an adjacent rarefaction be 68 cm, find: (a) frequency, (b) wavelength, and (c) velocity, of the sound wave. [5 MARKS]

Discussion

6887.	Why is the mechanical advantage of a class II lever always more than 1?
Answer» Why is the mechanical advantage of a class II lever always more than 1?

Discussion

6888.	Explain the following : a. Why can't we hammer a nail by its head on the wood? b. A sharp knife cuts better than a blunt knife. Why? [3 MARKS]
Answer» Explain the following : a. Why can't we hammer a nail by its head on the wood? b. A sharp knife cuts better than a blunt knife. Why? [3 MARKS]

Discussion

6889.	The laws of reflection hold good for:
Answer» The laws of reflection hold good for:

Discussion

6890.	A buzzing bumblebee flaps its wings 4000 times in 8 seconds. What is the time period of its wings?
Answer» A buzzing bumblebee flaps its wings 4000 times in 8 seconds. What is the time period of its wings?

Discussion

6891.	What is the temperature at earth's inner core?
Answer» What is the temperature at earth's inner core?

Discussion

6892.	Difference between vector quantity and Scaler quantity?
Answer» Difference between vector quantity and Scaler quantity?

Discussion

6893.	Ice packed in sawdust does not melt
Answer» Ice packed in sawdust does not melt

Discussion

6894.	Changes in season on the earth is due to its rotation around the sun and the tilting of its axis of rotation. In this regard read the two statements given below and choose the correct option. Statement 1: We experience summer and winter when the northern and southern hemisphere is tilted towards the sun. Statement 2: We experience autumn and spring when the earth is between, above two extreme positions.
Answer» Changes in season on the earth is due to its rotation around the sun and the tilting of its axis of rotation. In this regard read the two statements given below and choose the correct option. Statement 1: We experience summer and winter when the northern and southern hemisphere is tilted towards the sun. Statement 2: We experience autumn and spring when the earth is between, above two extreme positions.

6894.

Changes in season on the earth is due to its rotation around the sun and the tilting of its axis of rotation. In this regard read the two statements given below and choose the correct option. Statement 1: We experience summer and winter when the northern and southern hemisphere is tilted towards the sun. Statement 2: We experience autumn and spring when the earth is between, above two extreme positions.

Answer»

Changes in season on the earth is due to its rotation around the sun and the tilting of its axis of rotation. In this regard read the two statements given below and choose the correct option.

Statement 1: We experience summer and winter when the northern and southern hemisphere is tilted towards the sun.

Statement 2: We experience autumn and spring when the earth is between, above two extreme positions.

Discussion

6895.	When you are travelling in your school bus , the person sitting in front of you seems to be at rest though the bus is moving . Why ?
Answer» When you are travelling in your school bus , the person sitting in front of you seems to be at rest though the bus is moving . Why ?

Discussion

6896.	What are bio-mass fuels?
Answer» What are bio-mass fuels?

Discussion

6897.	What are the factors affecting evaporation ? [5 MARKS]
Answer» What are the factors affecting evaporation ? [5 MARKS]

Discussion

6898.	Ram is standing 165 m behind Shyam. Shyam is standing 'd' meters away from a wall in the same line. Ram claps and Shyam hears the clap two times at an interval of 2 seconds. Find the value of 'd'. (Assume velocity of sound to be 330 ms−1)
Answer» Ram is standing $165 m$ behind Shyam. Shyam is standing ' $d$ ' meters away from a wall in the same line. Ram claps and Shyam hears the clap two times at an interval of $2$ seconds. Find the value of ' $d$ '. (Assume velocity of sound to be $330 m s^{- 1}$ )

Discussion

6899.	How does earthquakes cause air pollution
Answer» How does earthquakes cause air pollution

Discussion

6900.	How does the atomic clocks or cesium atomic cloc km work?(please explain with an image)
Answer» How does the atomic clocks or cesium atomic cloc km work?(please explain with an image)

Discussion

Explore topic-wise InterviewSolutions in .

When earthquake strikes, what precautions should a person take to protect himself when i.) person is at home ii.) person is outside

Aluminium metal is

Which is the largest moon in our solar system

Why does dispersion not occur in a glass slab?

What kind of electric charge is required by a plastic comb rubbed with dry hair?

Give examples to show that friction is a friend or a foe.

Can we reduce friction to zero by polishing surfaces or using large amount of lubricants ?

The angle between the normal at the point of incidence and the incident light ray is known as _____.

What is the relation between liquid pressure and depth?

Why does solar system appear black despite white light from sun

Name any one defect of the eye. How is it corrected?

The nerve which originate from the brain and goes to the ears for hearing is

Which of the following solutions in this figure shown will not make the bulb to glow?

Which one of the following diseases is due to the low converging power of the lens?

If x*2+1/x*2=27,then value of x+1/x is

A gum bottle rests on its base. If it is placed upside down, how does the 1) thrust, 2) pressure change?

Which of the following is not a member of the solar system?

Find the dimensions for the cuboid whose volume is 5x²-25

Suspensory ligaments hold _________________ in position

Question 5 At the time of short circuit, the current in the circuit (a) reduces substantially (b) does not change (c) increases heavily (d) vary continuously

Particles that move towards anode are called _________.

Explain the following : (a) The surrounding becomes pleasantly warm when water in a lake starts freezing in cold countries. (b) The heat supplied to a substance during its change of state does not cause any rise in its temperature.

What do you mean by short-circuiting of a circuit?

What are the objects that can be used in the tester instead of normal bulb to test weak conducting liquids and why? [1 MARK]

Is Uranus contains water or blue sand

Choose the correct statements:

Sound is explained in terms of ____.

The wavelength of a sound wave is 40 cm and the time period is 0.0005 s. How many seconds will it take to travel a distance of 4 km?

Why are we able to see only one side of the Moon?

Explain various new techniques being adapted by humans to energy losses due to friction.

A simple pendulum takes 5 seconds to complete 12 oscillations. What will be the time period of pendulum?

What is the difference between regular reflection of light and diffuse reflection of light ? What type of reflection of light takes place from : (a) a cinema screen (b) a plane mirror (c) a cardboard (d) still water surface of a lake

A student has to connect 4 cells of 1.5 V each, in-order to form a battery of voltage 6 V. Which of the following figure shows the correct arrangement of cells?

A source is producing 1500 waves in 3 seconds. If the distance covered by a compression and an adjacent rarefaction be 68 cm, find: (a) frequency, (b) wavelength, and (c) velocity, of the sound wave. [5 MARKS]

Why is the mechanical advantage of a class II lever always more than 1?

Explain the following : a. Why can't we hammer a nail by its head on the wood? b. A sharp knife cuts better than a blunt knife. Why? [3 MARKS]

The laws of reflection hold good for:

A buzzing bumblebee flaps its wings 4000 times in 8 seconds. What is the time period of its wings?

What is the temperature at earth's inner core?

Difference between vector quantity and Scaler quantity?

Ice packed in sawdust does not melt

When you are travelling in your school bus , the person sitting in front of you seems to be at rest though the bus is moving . Why ?

What are bio-mass fuels?

What are the factors affecting evaporation ? [5 MARKS]

Ram is standing 165 m behind Shyam. Shyam is standing 'd' meters away from a wall in the same line. Ram claps and Shyam hears the clap two times at an interval of 2 seconds. Find the value of 'd'. (Assume velocity of sound to be 330 ms−1)

How does earthquakes cause air pollution

How does the atomic clocks or cesium atomic cloc km work?(please explain with an image)

If x2+1/x2=27,then value of x+1/x is