6277 + Interview Questions in Physics Page 110 InterviewSolution

5451.	A 60 m long train moving with constant speed on a straight level track passes a pole in 5 s. The time it will take to cross a 540 m long bridge is:50
Answer» A $60 m$ long train moving with constant speed on a straight level track passes a pole in $5 s$ . The time it will take to cross a $540 m$ long bridge is: 50

Discussion

5452.	A material which allows heat to easily pass through it is known as a/an ______________.
Answer» A material which allows heat to easily pass through it is known as a/an ______________.

Discussion

5453.	Why are floating generation used in the sea
Answer» Why are floating generation used in the sea

Discussion

5454.	Which device can be used to test whether an object is carrying charge or not?
Answer» Which device can be used to test whether an object is carrying charge or not?

Discussion

5455.	Mass of A is 9.97×1024kg and mass of B is 6.35×1022kg. What is the total mass? [3 MARKS]
Answer» Mass of A is $9.97 \times 10^{24} k g$ and mass of B is $6.35 \times 10^{22} k g .$ What is the total mass? [3 MARKS]

Discussion

5456.	Our solar system is in_________galaxy.
Answer» Our solar system is in_________galaxy.

Discussion

5457.	While inflating a balloon, the entire air that was blown into the balloon escapes from its mouth when it is left open. This is because:
Answer» While inflating a balloon, the entire air that was blown into the balloon escapes from its mouth when it is left open. This is because:

Discussion

5458.	Which of the following is/are true for an object in circular motion?
Answer» Which of the following is/are true for an object in circular motion?

Discussion

5459.	A siphon in use is demonstrated in the following figure. The density of the liquid flowing in siphon is 1.5 gm/cc. The pressure difference between the point P and S will be
Answer» A siphon in use is demonstrated in the following figure. The density of the liquid flowing in siphon is 1.5 gm/cc. The pressure difference between the point P and S will be

5459.

A siphon in use is demonstrated in the following figure. The density of the liquid flowing in siphon is 1.5 gm/cc. The pressure difference between the point P and S will be

Answer»

A siphon in use is demonstrated in the following figure. The density of the liquid flowing in siphon is 1.5 gm/cc. The pressure difference between the point P and S will be

Discussion

5460.	Solenoid can be used for making permanent magnets. Explain how this is done ?
Answer» Solenoid can be used for making permanent magnets. Explain how this is done ?

Discussion

5461.	A big explosion on the Moon cannot be heard on the Earth. Which of the following statement is the correct explanation for this?
Answer» A big explosion on the Moon cannot be heard on the Earth. Which of the following statement is the correct explanation for this?

Discussion

5462.	What is the difference between periodic motion and circular motion
Answer» What is the difference between periodic motion and circular motion

Discussion

5463.	Which of the following materials allows light to pass through it?
Answer» Which of the following materials allows light to pass through it?

Discussion

5464.	Suppose if you are leaving your room or house, which of the following practice is ideal to save electricity?
Answer» Suppose if you are leaving your room or house, which of the following practice is ideal to save electricity?

Discussion

5465.	Explain the phenomenon of land breeze and sea breeze with diagrams. [5 MARKS]
Answer» Explain the phenomenon of land breeze and sea breeze with diagrams. [5 MARKS]

Discussion

5466.	The glasses used for reading purposes are essentially ______lenses, while those used for seeing distant objects clearly are essentially ______ lenses.
Answer» The glasses used for reading purposes are essentially ______lenses, while those used for seeing distant objects clearly are essentially ______ lenses.

Discussion

5467.	Despite natures monsoon's bounty, failure to sustain water availability underground is due to:
Answer» Despite natures monsoon's bounty, failure to sustain water availability underground is due to:

Discussion

5468.	Classify the following as motion along a straight line, circular or oscillatory motion: [5 MARKS] 1) The motion of a car on a road. 2) The motion of pendulum of the clock. 3) The motion of a child on a see-saw 4) The motion of train on a straight bridge. 5) The motion of the hands in a clock.
Answer» Classify the following as motion along a straight line, circular or oscillatory motion: [5 MARKS] 1) The motion of a car on a road. 2) The motion of pendulum of the clock. 3) The motion of a child on a see-saw 4) The motion of train on a straight bridge. 5) The motion of the hands in a clock.

5468.

Classify the following as motion along a straight line, circular or oscillatory motion: [5 MARKS] 1) The motion of a car on a road. 2) The motion of pendulum of the clock. 3) The motion of a child on a see-saw 4) The motion of train on a straight bridge. 5) The motion of the hands in a clock.

Answer»

Classify the following as motion along a straight line, circular or oscillatory motion: [5 MARKS]

1) The motion of a car on a road.

2) The motion of pendulum of the clock.

3) The motion of a child on a see-saw

4) The motion of train on a straight bridge.

5) The motion of the hands in a clock.

Discussion

5469.	A plane mirror and an object approach each other with speeds of 5 ms−1 and 10 ms−1 respectively. What will be the speed of the image w.r.t. the stationary observer?
Answer» A plane mirror and an object approach each other with speeds of $5 m s^{- 1}$ and $10 m s^{- 1}$ respectively. What will be the speed of the image w.r.t. the stationary observer?

Discussion

5470.	When we drink a soft drink with the help of a straw, what forces the liquid up the straw?
Answer» When we drink a soft drink with the help of a straw, what forces the liquid up the straw?

Discussion

5471.	SI unit of temperature is ___ .
Answer» SI unit of temperature is ___ .

Discussion

5472.	Explain the function of cell in a circuit?
Answer» Explain the function of cell in a circuit?

Discussion

5473.	What are the advantages and disadvantages of using a rod of a given length as a unit of length?
Answer» What are the advantages and disadvantages of using a rod of a given length as a unit of length?

Discussion

5474.	How to convert Fahrenheit into kelvin
Answer» How to convert Fahrenheit into kelvin

Discussion

5475.	If it has rained 276 mm in the last 3 days, how many mm of rain will fall in one full week? Assume that the rain continues to fall at the same rate.
Answer» If it has rained 276 mm in the last 3 days, how many mm of rain will fall in one full week? Assume that the rain continues to fall at the same rate.

Discussion

5476.	Why we wear light colour dress in summer and black colour dress in winter?
Answer» Why we wear light colour dress in summer and black colour dress in winter?

Discussion

5477.	Question 1 (vi) Classify the following as motion along a straight line, circular or oscillatory motion: (vi) Motion of a train on a straight bridge.
Answer» Question 1 (vi) Classify the following as motion along a straight line, circular or oscillatory motion: (vi) Motion of a train on a straight bridge.

Discussion

5478.	Which of the following is/are the reason(s) for using mercury in thermometers?
Answer» Which of the following is/are the reason(s) for using mercury in thermometers?

Discussion

5479.	What type of motion is represented by the tip of second hand of a clock?
Answer» What type of motion is represented by the tip of second hand of a clock?

Discussion

5480.	Virtual image
Answer» Virtual image

Discussion

5481.	Consider a syringe whose open end has been sealed, now if we press the piston with our hand, then the pressure inside the syringe will be ____.
Answer» Consider a syringe whose open end has been sealed, now if we press the piston with our hand, then the pressure inside the syringe will be ____.

Discussion

5482.	Which type of thermometer does not contain mercury as one of its components?
Answer» Which type of thermometer does not contain mercury as one of its components?

Discussion

5483.	A cyclist speed up at a constant rate from rest to 8m/s in 6s. Find the acceleration of the cyclist.
Answer» A cyclist speed up at a constant rate from rest to $8 m / s$ in $6 s$ . Find the acceleration of the cyclist.

Discussion

5484.	If a storm is accompanied by lightning what precautions should we take? [5 MARKS]
Answer» If a storm is accompanied by lightning what precautions should we take? [5 MARKS]

Discussion

5485.	The direction of heat transfer always depends on which of the following?
Answer» The direction of heat transfer always depends on which of the following?

Discussion

5486.	The underlined prefix in the following words means ________. Pseudonym Pseudoclassic Pseudomorph
Answer» The underlined prefix in the following words means ________. Pseudonym Pseudoclassic Pseudomorph

5486.

The underlined prefix in the following words means ________. Pseudonym Pseudoclassic Pseudomorph

Answer»

The underlined prefix in the following words means ________.

Pseudonym

Pseudoclassic

Pseudomorph

Discussion

5487.	Define the following: 1) Rectilinear motion 2) Circular motion 3) Curvilinear motion
Answer» Define the following: 1) Rectilinear motion 2) Circular motion 3) Curvilinear motion

5487.

Define the following: 1) Rectilinear motion 2) Circular motion 3) Curvilinear motion

Answer»

Define the following:

1) Rectilinear motion

2) Circular motion

3) Curvilinear motion

Discussion

5488.	Study says that water is a poor conductor of heat if so then why do they say that we shouldn't touch electric appliances with wet hands?
Answer» Study says that water is a poor conductor of heat if so then why do they say that we shouldn't touch electric appliances with wet hands?

Discussion

5489.	What would happen when we use water instead of murcury in tharmamiter
Answer» What would happen when we use water instead of murcury in tharmamiter

Discussion

5490.	Will the supply at a point on a positively sloped, straight line supply curve be unitary elastic, elastic or inelastic ?
Answer» Will the supply at a point on a positively sloped, straight line supply curve be unitary elastic, elastic or inelastic ?

Discussion

5491.	Question 14 Identify the different types of motion in the following word diagram given as Fig.
Answer» Question 14 Identify the different types of motion in the following word diagram given as Fig.

5491.

Question 14 Identify the different types of motion in the following word diagram given as Fig.

Answer»

Question 14

Identify the different types of motion in the following word diagram given as Fig.

Discussion

5492.	Which of the following alternatives has the least per capita petroleum fuel consumption?
Answer» Which of the following alternatives has the least per capita petroleum fuel consumption?

Discussion

5493.	The length of an elastic string is ametres when the longitudinal tension is 4 N and bmetres when the longitudinal tension is 5 N. The length of the string in metres when the longitudinal tension is 9 N is
Answer» The length of an elastic string is ametres when the longitudinal tension is 4 N and bmetres when the longitudinal tension is 5 N. The length of the string in metres when the longitudinal tension is 9 N is

Discussion

5494.	A boy is observing his image in a plane mirror. The distance between the mirror and his image is 10 m. If he moves 2 m towards the mirror, then the distance between the boy and his image will be:
Answer» A boy is observing his image in a plane mirror. The distance between the mirror and his image is $10 m$ . If he moves $2 m$ towards the mirror, then the distance between the boy and his image will be:

Discussion

5495.	The speed of light in vacuum is 3×108 m/s. Sunlight takes about 8 minutes to reach the Earth. Express distance of the Sun from Earth in standard form.
Answer» The speed of light in vacuum is $3 \times 10^{8} m / s .$ Sunlight takes about $8$ minutes to reach the Earth. Express distance of the Sun from Earth in standard form.

Discussion

5496.	A train is moving with a speed of 60 ms−1. On applying the brakes, it comes to rest in 20 s. What is the magnitude of average acceleration (deceleration) of the train?
Answer» A train is moving with a speed of $60 m s^{- 1}$ . On applying the brakes, it comes to rest in $20 s$ . What is the magnitude of average acceleration (deceleration) of the train?

Discussion

5497.	Rohan made an electromagnet by winding 50 turns of wire over an iron screw. Ria also made an electromagnet by winding 100 turns of wire over another iron screw of the same kind. Which electromagnet will attract more pins? Explain.
Answer» Rohan made an electromagnet by winding 50 turns of wire over an iron screw. Ria also made an electromagnet by winding 100 turns of wire over another iron screw of the same kind. Which electromagnet will attract more pins? Explain.

Discussion

5498.	Question 9 (b) Mark ‘T’ if the statement is true and ‘F’ if it is false: When the electric current through the fuse exceeds a certain limit, the fuse wire melts and breaks.
Answer» Question 9 (b) Mark ‘T’ if the statement is true and ‘F’ if it is false: When the electric current through the fuse exceeds a certain limit, the fuse wire melts and breaks.

Discussion

5499.	Now, they are curious to know about the average speed of the car during the journey. As per the previous question, the time taken to travel 60.725 km was 1.735 hours. Choose the average speed of the car:
Answer» Now, they are curious to know about the average speed of the car during the journey. As per the previous question, the time taken to travel 60.725 km was 1.735 hours. Choose the average speed of the car:

Discussion

5500.	Time has same unit in CGS, MKS and SI systems.
Answer» Time has same unit in CGS, MKS and SI systems.

Discussion

Explore topic-wise InterviewSolutions in .

A 60 m long train moving with constant speed on a straight level track passes a pole in 5 s. The time it will take to cross a 540 m long bridge is:50

A material which allows heat to easily pass through it is known as a/an ______________.

Why are floating generation used in the sea

Which device can be used to test whether an object is carrying charge or not?

Mass of A is 9.97×1024kg and mass of B is 6.35×1022kg. What is the total mass? [3 MARKS]

Our solar system is in_________galaxy.

While inflating a balloon, the entire air that was blown into the balloon escapes from its mouth when​ it​​​​​​ is left open. This is because:

Which of the following is/are true for an object in circular motion?

A siphon in use is demonstrated in the following figure. The density of the liquid flowing in siphon is 1.5 gm/cc. The pressure difference between the point P and S will be

Solenoid can be used for making permanent magnets. Explain how this is done ?

A big explosion on the Moon cannot be heard on the Earth. Which of the following statement is the correct explanation for this?

What is the difference between periodic motion and circular motion

Which of the following materials allows light to pass through it?

Suppose if you are leaving your room or house, which of the following practice is ideal to save electricity?

Explain the phenomenon of land breeze and sea breeze with diagrams. [5 MARKS]

The glasses used for reading purposes are essentially ______lenses, while those used for seeing distant objects clearly are essentially ______ lenses.

Despite natures monsoon's bounty, failure to sustain water availability underground is due to:

Classify the following as motion along a straight line, circular or oscillatory motion: [5 MARKS] 1) The motion of a car on a road. 2) The motion of pendulum of the clock. 3) The motion of a child on a see-saw 4) The motion of train on a straight bridge. 5) The motion of the hands in a clock.

A plane mirror and an object approach each other with speeds of 5 ms−1 and 10 ms−1 respectively. What will be the speed of the image w.r.t. the stationary observer?

When we drink a soft drink with the help of a straw, what forces the liquid up the straw?

SI unit of temperature is ___ .

Explain the function of cell in a circuit?

What are the advantages and disadvantages of using a rod of a given length as a unit of length?

How to convert Fahrenheit into kelvin

If it has rained 276 mm in the last 3 days, how many mm of rain will fall in one full week? Assume that the rain continues to fall at the same rate.

Why we wear light colour dress in summer and black colour dress in winter?

Question 1 (vi) Classify the following as motion along a straight line, circular or oscillatory motion: (vi) Motion of a train on a straight bridge.

Which of the following is/are the reason(s) for using mercury in thermometers?

What type of motion is represented by the tip of second hand of a clock?

Virtual image

Consider a syringe whose open end has been sealed, now if we press the piston with our hand, then the pressure inside the syringe will be ____.

Which type of thermometer does not contain mercury as one of its components?

A cyclist speed up at a constant rate from rest to 8m/s in 6s. Find the acceleration of the cyclist.

If a storm is accompanied by lightning what precautions should we take? [5 MARKS]

The direction of heat transfer always depends on which of the following?

The underlined prefix in the following words means ________. Pseudonym Pseudoclassic Pseudomorph

Define the following: 1) Rectilinear motion 2) Circular motion 3) Curvilinear motion

Study says that water is a poor conductor of heat if so then why do they say that we shouldn't touch electric appliances with wet hands?

What would happen when we use water instead of murcury in tharmamiter

Will the supply at a point on a positively sloped, straight line supply curve be unitary elastic, elastic or inelastic ?

Question 14 Identify the different types of motion in the following word diagram given as Fig.

Which of the following alternatives has the least per capita petroleum fuel consumption?

The length of an elastic string is ametres when the longitudinal tension is 4 N and bmetres when the longitudinal tension is 5 N. The length of the string in metres when the longitudinal tension is 9 N is

A boy is observing his image in a plane mirror. The distance between the mirror and his image is 10 m. If he moves 2 m towards the mirror, then the distance between the boy and his image will be:

The speed of light in vacuum is 3×108 m/s. Sunlight takes about 8 minutes to reach the Earth. Express distance of the Sun from Earth in standard form.

A train is moving with a speed of 60 ms−1. On applying the brakes, it comes to rest in 20 s. What is the magnitude of average acceleration (deceleration) of the train?

Rohan made an electromagnet by winding 50 turns of wire over an iron screw. Ria also made an electromagnet by winding 100 turns of wire over another iron screw of the same kind. Which electromagnet will attract more pins? Explain.

Question 9 (b) Mark ‘T’ if the statement is true and ‘F’ if it is false: When the electric current through the fuse exceeds a certain limit, the fuse wire melts and breaks.

Now, they are curious to know about the average speed of the car during the journey. As per the previous question, the time taken to travel 60.725 km was 1.735 hours. Choose the average speed of the car:

Time has same unit in CGS, MKS and SI systems.

While inflating a balloon, the entire air that was blown into the balloon escapes from its mouth when it is left open. This is because:

The glasses used for reading purposes are essentially lenses, while those used for seeing distant objects clearly are essentially lenses.