6277 + Interview Questions in Physics Page 13 InterviewSolution

601.	What is the value of the unknown angle (θ) in the following diagram?
Answer» What is the value of the unknown angle $(θ)$ in the following diagram?

Discussion

602.	If you took a snap of a guy who looks like this using a pinhole camera:How will the image on the screen look like?
Answer» If you took a snap of a guy who looks like this using a pinhole camera: How will the image on the screen look like?

Discussion

603.	A bird flying at a height of 1200m from ground surface a hunter was sitting just exactly below the bird on a hill of height 600m with his gun he then stands and then fires a bullet if the height from which he fired is 1m above the hill find the distance travelled by the bullet
Answer» A bird flying at a height of 1200m from ground surface a hunter was sitting just exactly below the bird on a hill of height 600m with his gun he then stands and then fires a bullet if the height from which he fired is 1m above the hill find the distance travelled by the bullet

Discussion

604.	does too much magnetisim affect the amount of current given by an object
Answer» does too much magnetisim affect the amount of current given by an object

Discussion

605.	True or false? (a) Glass is a bad conductor of heat. (b) In a thermos flask, hot things remain hot and cold things become warm. (c) Radiation of heat depends upon the colour of the outer surface of the body. (d) During radiation the particles of the medium vibrate.
Answer» True or false? (a) Glass is a bad conductor of heat. (b) In a thermos flask, hot things remain hot and cold things become warm. (c) Radiation of heat depends upon the colour of the outer surface of the body. (d) During radiation the particles of the medium vibrate.

605.

True or false? (a) Glass is a bad conductor of heat. (b) In a thermos flask, hot things remain hot and cold things become warm. (c) Radiation of heat depends upon the colour of the outer surface of the body. (d) During radiation the particles of the medium vibrate.

Answer»

True or false?

(a) Glass is a bad conductor of heat.

(b) In a thermos flask, hot things remain hot and cold things become warm.

(c) Radiation of heat depends upon the colour of the outer surface of the body.

(d) During radiation the particles of the medium vibrate.

Discussion

606.	As we move towards the earth atmosphere we get closer to the sun then why do they say that the temperature get lower as we move up
Answer» As we move towards the earth atmosphere we get closer to the sun then why do they say that the temperature get lower as we move up

Discussion

607.	Find out the appropriate word which fits the 1st blank.
Answer» Find out the appropriate word which fits the 1st blank.

Discussion

608.	True or false? (a) Frequency increases if amplitude is increased. (b) A bat uses the principle of the radar system while flying at night. (c) Ultrasonic sounds are produced in the sonar system.
Answer» True or false? (a) Frequency increases if amplitude is increased. (b) A bat uses the principle of the radar system while flying at night. (c) Ultrasonic sounds are produced in the sonar system.

608.

True or false? (a) Frequency increases if amplitude is increased. (b) A bat uses the principle of the radar system while flying at night. (c) Ultrasonic sounds are produced in the sonar system.

Answer»

True or false?

(a) Frequency increases if amplitude is increased.

(b) A bat uses the principle of the radar system while flying at night.

(c) Ultrasonic sounds are produced in the sonar system.

Discussion

609.	A block is kept ona an inclinedd plane making an angle 53 degree with the horizontal and the coefficient of friction is mu.If the force required to just push it up the plane is 2 times the force required to just prevent it from sliding down ,then mu is?
Answer» A block is kept ona an inclinedd plane making an angle 53 degree with the horizontal and the coefficient of friction is mu.If the force required to just push it up the plane is 2 times the force required to just prevent it from sliding down ,then mu is?

Discussion

610.	When two bodies A and B are brought in contact with each other, heat does not flow between them. When another body C is brought in contact with B, the heat starts flowing from C to B. After the heat flow stops, C is now brought into contact with A, then which of the following is correct?
Answer» When two bodies A and B are brought in contact with each other, heat does not flow between them. When another body C is brought in contact with B, the heat starts flowing from C to B. After the heat flow stops, C is now brought into contact with A, then which of the following is correct?

Discussion

611.	46. current i is entering a uniform square conducting loop as shown magmetic field at point O due to PQ and RS are B1 and B2 respectively Net magnetic field at point O is B3 what is B1/B2 and B3??
Answer» 46. current i is entering a uniform square conducting loop as shown magmetic field at point O due to PQ and RS are B1 and B2 respectively Net magnetic field at point O is B3 what is B1/B2 and B3??

Discussion

612.	What frequency do whales communicate at ?
Answer» What frequency do whales communicate at ?

Discussion

613.	Willthe compass needle show deflection when the switch in the circuitshown by figure is closed?
Answer» Will the compass needle show deflection when the switch in the circuit shown by figure is closed?

613.

Willthe compass needle show deflection when the switch in the circuitshown by figure is closed?

Answer»

Will
the compass needle show deflection when the switch in the circuit
shown by figure is closed?

Discussion

614.	What is the average speed and average velocity till t = 20s?
Answer» What is the average speed and average velocity till t = 20s?

614.

What is the average speed and average velocity till t = 20s?

Answer»

What is the average speed and average velocity till t = 20s?

Discussion

615.	Question 16 Match the events related to motion in Column I with the types of motions given in Column II. COLUMN II COLUMN II(a) A moving wheel of a(i) Circular motion sewing machine(b) Movement of tip of the minute(ii) Rotational motion hand of a clock in one hour(c) A moving swing(iii) Periodic motion
Answer» Question 16 Match the events related to motion in Column I with the types of motions given in Column II. $\begin{matrix} C O L U M N I I & C O L U M N I I (a) A m o v i n g w h e e l o f a & (i) C i r c u l a r m o t i o n s e w i n g m a c h i n e (b) M o v e m e n t o f t i p o f t h e m i n u t e & (i i) R o t a t i o n a l m o t i o n h a n d o f a c l o c k i n o n e h o u r (c) A m o v i n g s w i n g & (i i i) P e r i o d i c m o t i o n \end{matrix}$

615.

Question 16 Match the events related to motion in Column I with the types of motions given in Column II. COLUMN II COLUMN II(a) A moving wheel of a(i) Circular motion sewing machine(b) Movement of tip of the minute(ii) Rotational motion hand of a clock in one hour(c) A moving swing(iii) Periodic motion

Answer»

Question 16

Match the events related to motion in Column I with the types of motions given in Column II.
$\begin{matrix} C O L U M N I I & C O L U M N I I (a) A m o v i n g w h e e l o f a & (i) C i r c u l a r m o t i o n s e w i n g m a c h i n e (b) M o v e m e n t o f t i p o f t h e m i n u t e & (i i) R o t a t i o n a l m o t i o n h a n d o f a c l o c k i n o n e h o u r (c) A m o v i n g s w i n g & (i i i) P e r i o d i c m o t i o n \end{matrix}$

Discussion

616.	Where does Mecrucy appear in the sky ?
Answer» Where does Mecrucy appear in the sky ?

Discussion

617.	Water rises in a capillary tube to a certain height such that the upward force due to surface tension is balanced by 75×10−4N force due to the weight of the liquid. If the surface tension of water is 6×10−2Nm−1, the inner circumference of the capillary must be
Answer» Water rises in a capillary tube to a certain height such that the upward force due to surface tension is balanced by $75 \times 10^{- 4}$ N force due to the weight of the liquid. If the surface tension of water is $6 \times 10^{- 2} N m^{- 1}$ , the inner circumference of the capillary must be

617.

Water rises in a capillary tube to a certain height such that the upward force due to surface tension is balanced by 75×10−4N force due to the weight of the liquid. If the surface tension of water is 6×10−2Nm−1, the inner circumference of the capillary must be

Answer»

Water rises in a capillary tube to a certain height such that the upward force due to surface tension is balanced by $75 \times 10^{- 4}$ N force due to the weight of the liquid. If the surface tension of water is $6 \times 10^{- 2} N m^{- 1}$ , the inner circumference of the capillary must be

Discussion

618.	Thermal expansion is the property due to which, increasing the temperature of an object changes its ___ .
Answer» Thermal expansion is the property due to which, increasing the temperature of an object changes its ___ .

Discussion

619.	{ 6. The charge flowing through a resistance }R varies }}{ with time }t as }Q=at-bt^2 , where }a and }b are }}{ positive constants. The total heat produced in }R is
Answer» { 6. The charge flowing through a resistance }R varies }}{ with time }t as }Q=at-bt^2 , where }a and }b are }}{ positive constants. The total heat produced in }R is

Discussion

620.	3 conditions for an echo
Answer» 3 conditions for an echo

Discussion

621.	If a house is not filled with objects like,cushions,curtains etc. There is a echoor a reverberation
Answer» If a house is not filled with objects like, cushions,curtains etc. There is a echo or a reverberation

Discussion

622.	Why summer monsoon winds bring rainfall to India?
Answer» Why summer monsoon winds bring rainfall to India?

Discussion

623.	A vehicle is accelerating on a staright road.Its velocity at any instant is 30 km h−1,after 2 s, it is 33.6 km h−1 and after further 2 s, it is 37.2 km h−1. Find the acceleration of vehicle in m s−2. Is the accleration uniform?
Answer» A vehicle is accelerating on a staright road.Its velocity at any instant is 30 $k m h^{- 1}$ ,after 2 s, it is 33.6 $k m h^{- 1}$ and after further 2 s, it is 37.2 $k m h^{- 1}$ . Find the acceleration of vehicle in $m s^{- 2}$ . Is the accleration uniform?

Discussion

624.	The density of which of the following will get affected by changing the temperature.
Answer» The density of which of the following will get affected by changing the temperature.

Discussion

625.	What all strategies were employed by forest officer A.K.Banerjee for getting the village people involved to help in the protection of 1,272 hectares of badly degraded sal forest?
Answer» What all strategies were employed by forest officer A.K.Banerjee for getting the village people involved to help in the protection of 1,272 hectares of badly degraded sal forest?

Discussion

626.	Atif is going to school with his friend Rashmi in a van which is moving with constant acceleration. Now, answer the following question: Rashmi, as seen by Atif is:
Answer» Atif is going to school with his friend Rashmi in a van which is moving with constant acceleration. Now, answer the following question: Rashmi, as seen by Atif is:

Discussion

627.	Which of the following are not good conductors of electricity?
Answer» Which of the following are not good conductors of electricity?

Discussion

628.	17. Heat of combustion of CO at constant pressure and at constant volume at 27^° C will differ from one another by how much cal.
Answer» 17. Heat of combustion of CO at constant pressure and at constant volume at 27^° C will differ from one another by how much cal.

Discussion

629.	for a concave mirror , paraxial rays are focused at dis†an ce R/2 from pole and marginal rays are focused at dis†an ce x from pole,then (R is radius of curvature) (1) x=R/2 (2)x=-f (3) x≥ R/2 (4) xis less than R/
Answer» for a concave mirror , paraxial rays are focused at dis†an ce R/2 from pole and marginal rays are focused at dis†an ce x from pole,then (R is radius of curvature) (1) x=R/2 (2)x=-f (3) x≥ R/2 (4) xis less than R/

Discussion

630.	60.A gas has molar heat capacity C=29.05 J per mol per kelvin in process PT=constant. find number of degree of freedom of molecule in gas
Answer» 60.A gas has molar heat capacity C=29.05 J per mol per kelvin in process PT=constant. find number of degree of freedom of molecule in gas

Discussion

631.	Change the speed of 6 m/s into km/h.
Answer» Change the speed of $6 m / s$ into $k m / h$ .

Discussion

632.	When the live wire and the neutral wire come in contact, then the current suddenly increases in the circuit, causing spark and damage to the circuit, this situation is known as ___.
Answer» When the live wire and the neutral wire come in contact, then the current suddenly increases in the circuit, causing spark and damage to the circuit, this situation is known as ___.

Discussion

633.	58.Consider a car moving on straight road with speed of 100m/s. The distance at which car can be stopped is μ_K =0.5
Answer» 58.Consider a car moving on straight road with speed of 100m/s. The distance at which car can be stopped is μ_K =0.5

Discussion

634.	A car for half of its time at 80km/h and for rest of time at 40km/h. If the total distance covered is 60km. Find the average speed of the car
Answer» A car for half of its time at 80km/h and for rest of time at 40km/h. If the total distance covered is 60km. Find the average speed of the car

Discussion

635.	A train 110 m long travels at a speed of 60 km per hour. A man is running at 6 km per hour in the same direction in which the train is moving. The train will cross the man in
Answer» A train 110 m long travels at a speed of 60 km per hour. A man is running at 6 km per hour in the same direction in which the train is moving. The train will cross the man in

Discussion

636.	If kinetic energy of a body increases by 0.1% , then what is the percentage increase in momentum of a body?(A) 0.1%(B)1%(C)0.5%(D)0.05%
Answer» If kinetic energy of a body increases by 0.1% , then what is the percentage increase in momentum of a body? (A) 0.1% (B)1% (C)0.5% (D)0.05%

Discussion

637.	A force can move a stationary object. If force is applied to a stationary object, does it always move?
Answer» A force can move a stationary object. If force is applied to a stationary object, does it always move?

Discussion

638.	Surface of E18. At what height above the surface of earth the valueof "g" decreases by 2%? \lbrack radius of the earth is6400 km\rbrack but different radii.ould be(1) 32 km(2) 64 kmf3) 128 km(4) 1600 km
Answer» Surface of E18. At what height above the surface of earth the valueof "g" decreases by 2%? \lbrack radius of the earth is6400 km\rbrack but different radii.ould be(1) 32 km(2) 64 kmf3) 128 km(4) 1600 km

Discussion

639.	what is pressure progressive wave?
Answer» what is pressure progressive wave?

Discussion

640.	a bar magnet falls through a long hollow metal cylinder fixed with its axis vertical:
Answer» a bar magnet falls through a long hollow metal cylinder fixed with its axis vertical:

Discussion

641.	HOW TO DETERMINE HEAT CAPACITY?
Answer» HOW TO DETERMINE HEAT CAPACITY?

Discussion

642.	When does a body to float in a liquid?
Answer» When does a body to float in a liquid?

Discussion

643.	A magnet is suspended by vertical string attached to its middle point. If horizontal and vertical componets of Earth's magnetism there is 25 T and 40 T respectively. The angle made by the magnet with horizontal when it is in equilibrium will be
Answer» A magnet is suspended by vertical string attached to its middle point. If horizontal and vertical componets of Earth's magnetism there is 25 T and 40 T respectively. The angle made by the magnet with horizontal when it is in equilibrium will be

Discussion

644.	If the angle between the mirror and reflected ray is 23 °, what is the angle of incidence of the incidence ray?
Answer» If the angle between the mirror and reflected ray is 23 °, what is the angle of incidence of the incidence ray?

Discussion

645.	Fill in the blanks:The nearer a place is to the equator the _______ (warmer/colder) it is expected to be.
Answer» Fill in the blanks: The nearer a place is to the equator the _______ (warmer/colder) it is expected to be.

Discussion

646.	Assume that the total surface area of a human body is 1.6 m2 and that it radiates like an ideal radiator. Calculate the amount of energy radiated per second by the body if the body temperature is 37∘C.Stefan constant =6.0×10−8 Wm−2K−4.
Answer» Assume that the total surface area of a human body is $1.6 m^{2}$ and that it radiates like an ideal radiator. Calculate the amount of energy radiated per second by the body if the body temperature is $37^{\circ} C$ . Stefan constant $= 6.0 \times 10^{- 8} W m^{- 2} K^{- 4}$ .

Discussion

647.	Somebody asks you to count the number of images formed by two mirrors kept parallel to each other. Can you do this? Why?
Answer» Somebody asks you to count the number of images formed by two mirrors kept parallel to each other. Can you do this? Why?

Discussion

648.	A charge Q is divided into two parts such that they experience "MINIMUM" electrostatic repulsion when placed at a certain distance apart . Find the division
Answer» A charge Q is divided into two parts such that they experience "MINIMUM" electrostatic repulsion when placed at a certain distance apart . Find the division

Discussion

649.	21. If gas expands at constant temperature then why kinetic energy of molecules remains same
Answer» 21. If gas expands at constant temperature then why kinetic energy of molecules remains same

Discussion

650.	How u find maximum height u square /2g in position -time graph and time to reach that height that is u/g
Answer» How u find maximum height u square /2g in position -time graph and time to reach that height that is u/g

Discussion

Explore topic-wise InterviewSolutions in .

What is the value of the unknown angle (θ) in the following diagram?

If you took a snap of a guy who looks like this using a pinhole camera:How will the image on the screen look like?

A bird flying at a height of 1200m from ground surface a hunter was sitting just exactly below the bird on a hill of height 600m with his gun he then stands and then fires a bullet if the height from which he fired is 1m above the hill find the distance travelled by the bullet

does too much magnetisim affect the amount of current given by an object

True or false? (a) Glass is a bad conductor of heat. (b) In a thermos flask, hot things remain hot and cold things become warm. (c) Radiation of heat depends upon the colour of the outer surface of the body. (d) During radiation the particles of the medium vibrate.

As we move towards the earth atmosphere we get closer to the sun then why do they say that the temperature get lower as we move up

Find out the appropriate word which fits the 1st blank.

True or false? (a) Frequency increases if amplitude is increased. (b) A bat uses the principle of the radar system while flying at night. (c) Ultrasonic sounds are produced in the sonar system.

A block is kept ona an inclinedd plane making an angle 53 degree with the horizontal and the coefficient of friction is mu.If the force required to just push it up the plane is 2 times the force required to just prevent it from sliding down ,then mu is?

When two bodies A and B are brought in contact with each other, heat does not flow between them. When another body C is brought in contact with B, the heat starts flowing from C to B. After the heat flow stops, C is now brought into contact with A, then which of the following is correct?

46. current i is entering a uniform square conducting loop as shown magmetic field at point O due to PQ and RS are B1 and B2 respectively Net magnetic field at point O is B3 what is B1/B2 and B3??

What frequency do whales communicate at ?

Willthe compass needle show deflection when the switch in the circuitshown by figure is closed?

What is the average speed and average velocity till t = 20s?

Where does Mecrucy appear in the sky ?

Water rises in a capillary tube to a certain height such that the upward force due to surface tension is balanced by 75×10−4N force due to the weight of the liquid. If the surface tension of water is 6×10−2Nm−1, the inner circumference of the capillary must be

Thermal expansion is the property due to which, increasing the temperature of an object changes its ___ .

{ 6. The charge flowing through a resistance }R varies }}{ with time }t as }Q=at-bt^2 , where }a and }b are }}{ positive constants. The total heat produced in }R is

3 conditions for an echo

If a house is not filled with objects like,cushions,curtains etc. There is a echoor a reverberation

Why summer monsoon winds bring rainfall to India?

A vehicle is accelerating on a staright road.Its velocity at any instant is 30 km h−1,after 2 s, it is 33.6 km h−1 and after further 2 s, it is 37.2 km h−1. Find the acceleration of vehicle in m s−2. Is the accleration uniform?

The density of which of the following will get affected by changing the temperature.

What all strategies were employed by forest officer A.K.Banerjee for getting the village people involved to help in the protection of 1,272 hectares of badly degraded sal forest?

Atif is going to school with his friend Rashmi in a van which is moving with constant acceleration. Now, answer the following question: Rashmi, as seen by Atif is:

Which of the following are not good conductors of electricity?

17. Heat of combustion of CO at constant pressure and at constant volume at 27^° C will differ from one another by how much cal.

for a concave mirror , paraxial rays are focused at dis†an ce R/2 from pole and marginal rays are focused at dis†an ce x from pole,then (R is radius of curvature) (1) x=R/2 (2)x=-f (3) x≥ R/2 (4) xis less than R/

60.A gas has molar heat capacity C=29.05 J per mol per kelvin in process PT=constant. find number of degree of freedom of molecule in gas

Change the speed of 6 m/s into km/h.

When the live wire and the neutral wire come in contact, then the current suddenly increases in the circuit, causing spark and damage to the circuit, this situation is known as ___.

58.Consider a car moving on straight road with speed of 100m/s. The distance at which car can be stopped is μ_K =0.5

A car for half of its time at 80km/h and for rest of time at 40km/h. If the total distance covered is 60km. Find the average speed of the car

A train 110 m long travels at a speed of 60 km per hour. A man is running at 6 km per hour in the same direction in which the train is moving. The train will cross the man in

If kinetic energy of a body increases by 0.1% , then what is the percentage increase in momentum of a body?(A) 0.1%(B)1%(C)0.5%(D)0.05%

A force can move a stationary object. If force is applied to a stationary object, does it always move?

Surface of E18. At what height above the surface of earth the valueof "g" decreases by 2%? \lbrack radius of the earth is6400 km\rbrack but different radii.ould be(1) 32 km(2) 64 kmf3) 128 km(4) 1600 km

what is pressure progressive wave?

a bar magnet falls through a long hollow metal cylinder fixed with its axis vertical:

HOW TO DETERMINE HEAT CAPACITY?

When does a body to float in a liquid?

A magnet is suspended by vertical string attached to its middle point. If horizontal and vertical componets of Earth's magnetism there is 25 T and 40 T respectively. The angle made by the magnet with horizontal when it is in equilibrium will be

If the angle between the mirror and reflected ray is 23 °, what is the angle of incidence of the incidence ray?

Fill in the blanks:The nearer a place is to the equator the _______ (warmer/colder) it is expected to be.

Assume that the total surface area of a human body is 1.6 m2 and that it radiates like an ideal radiator. Calculate the amount of energy radiated per second by the body if the body temperature is 37∘C.Stefan constant =6.0×10−8 Wm−2K−4.

Somebody asks you to count the number of images formed by two mirrors kept parallel to each other. Can you do this? Why?

A charge Q is divided into two parts such that they experience "MINIMUM" electrostatic repulsion when placed at a certain distance apart . Find the division

21. If gas expands at constant temperature then why kinetic energy of molecules remains same

How u find maximum height u square /2g in position -time graph and time to reach that height that is u/g