93 + Interview Questions in PHYSICS in GK Page 2 InterviewSolution

51.	Conversion of heat into electrical is achieved by using :1). Ammeter2). Hydrometer3). Voltmeter4). Thermocouple
Answer» is OPTION 4 is the CORRECT ANSWER?? am i RIGHT?

Discussion

52.	Fog is an example of1). Gas dispersed in gas2). Liquid dispersed in gas3). Solid dispersed in gas4). Solid dispersed in liquid
Answer» Its very simple QUESTION Liquid dispersed in gas is the CORRECT ANSWER.

Discussion

53.	The metal used to make lightning conductors is1). Iron2). Aluminum3). Copper4). Zinc
Answer» it from PREVIOUS YEAR SSC PAPERS, Aluminum is the RIGHT answer

Discussion

54.	When a person walking in bright Sunlight enters a dark room he is not able to see clearly for a little while because1). the eye muscles cannot immediately adjust the focal length of the eye lens.2). the retina retains the bright images for sometime and becomes momentarily insensitive.3). the iris is unable to contract the pupil immediately4). the iris is unable to dilate the pupil immediately
Answer» RIGHT ANSWER for this question is the IRIS is unable to dilate the pupil immediately

Discussion

55.	the sound having a frequency of 20 hertz to 20000 hertz are known as1). Audible sounds2). Ultrasonic's3). Infrasonic4). Mega sonics
Answer» AUDIBLE SOUNDS is the ANSWER

Discussion

56.	What apparatus is used to locate a submerged object1). (I)Radar2). Sonar3). Quasar4). Pulsar
Answer» SONAR is the correct answer as per the SSC answer KEY

Discussion

57.	Sound cannot pass through1). water2). steel3). air4). vacuum
Answer» RIGHT ANSWER for this QUESTION is OPTION 4

Discussion

58.	What is found in frequency modulation1). Fixed frequency2). Fixed dimension3). Change In frequency and dimension4). Change in dimension only
Answer» RIGHT ANSWER for this QUESTION is FIXED FREQUENCY

Discussion

59.	Which one of the following instruments is used to study dispersion of light 1). Microscope2). Telescope3). Spectrometer4). Photometer
Answer» OPTION 3 is the RIGHT ONE

Discussion

60.	The energy stored in a watch spring is1). kinetic energy2). potential energy3). heat energy4). chemical energy
Answer» POTENTIAL ENERGY SEEMS CORRECT.

Discussion

61.	Why the needle of iron swims on Water surface when it is kept gently 1). It will remain under the water when it will displace more water than its weight2). the density of needle is less than that of water3). due to surface tension4). due to its shape
Answer» OPTION 3 : - the DENSITY of needle is LESS than that of WATER

Discussion

62.	Heat from the Sun reaches the Earth by1). Reflection2). Conduction3). Radiation4). Convection
Answer» I am not SURE, MAY be CONDUCTION is CORRECT

Discussion

63.	Eclipses occur due to which optical phenomena1). Reflection2). Refraction3). Rectilinear propagation4). Diffraction
Answer» REFRACTION : - OPTION 3

Discussion

64.	If a copper wire Is increased to double its length Its resistance will become1). four times2). one fourth3). double4). hall
Answer» OPTION 3 is the ANSWER

Discussion

65.	Smog is a combination of1). Air and water vapours2). Water and smoke3). Fire and water4). smoke and fog
Answer» Its TOUGH but OPTION 4 SEEMS CORRECT

Discussion

66.	The metal whose electrical conductivity is more is1). copper2). aluminum3). silver4). lead
Answer» i THINK OPTION 3 is CORRECT

Discussion

67.	Remote sensing device has an Inbuilt source of1). X-ray2). gray3). ultraviolet ray4). infrared ray
Answer» INFRARED RAY is the BEST SUITED

Discussion

68.	Dynamo is a device for converting1). Heat energy into electrical energy2). Mechanical energy into electrical energy3). Magnetic energy into electrical energy4). Chemical energy Into electrical energy
Answer» MECHANICAL ENERGY into ELECTRICAL energy

Discussion

69.	The strongest force in nature is1). electrical force2). gravitational force3). nuclear force4). magnetic force
Answer» I THINK OPTION 3 is the RIGHT ANSWER

Discussion

70.	A copper disc has a hole. If the disc is heated the size of the hole1). increases2). decreases3). No change4). first increases and than decreases
Answer» Its TOUGH but OPTION 1 SEEMS CORRECT

Discussion

71.	Cupric point is the temperature at which1). Matter becomes radioactive2). A metal loses magnetic properties.3). A metal loses conductivity4). Transmutation of metal
Answer» A METAL LOSES MAGNETIC PROPERTIES. is CORRECT

Discussion

72.	The spoon dropped by an astronaut in a satellite will1). fall to the floor2). remain stationary3). continue to follow the motion of the satellite4). move tangentially away
Answer» RIGHT ANSWER for this QUESTION is OPTION 3

Discussion

73.	Which among the following is the fundamental quantity 1). Volume2). Time3). Velocity4). Force
Answer» RIGHT ANSWER for this QUESTION is OPTION 2

Discussion

74.	Light beam which is highly directional is called:1). eraser2). grazer3). maser4). laser
Answer» LASER SEEMS CORRECT.

Discussion

75.	What is the principle of a Life Jacket1). It provides oxygen to a drowning person2). It increases the volume of the person to keep him afloat3). It decreases the volume of the person to keep him afloat4). The person can sit on It like a raft
Answer» It increases the volume of the PERSON to KEEP him afloat : SEEMS CORRECT

Discussion

76.	The layer of atmosphere used for radio wave transmission is1). chromospheres2). troposphere3). ionosphere4). stratosphere
Answer» OPTION 3 : - TROPOSPHERE

Discussion

77.	The velocity of sound is more of1). water2). air3). steel4). wood
Answer» it from PREVIOUS YEAR SSC papers, AIR is the right answer

Discussion

78.	Which of the following statements is TRUE when we see rainbow 1). We face sun and raindrops2). The Sun remains behind us and we face raindrops3). In light rainfall we face Sun4). The sky remains clear and the sun is at lower position in the sky
Answer» The Sun REMAINS behind US and we face raindrops is the BEST suited

Discussion

79.	Which one of the following determines the sharpness of image in a camera 1). The aperture2). The exposure time3). The focal length of the lens4). Size of the camera
Answer» OPTION 1 is the RIGHT ANSWER

Discussion

80.	The sparkling of a diamond is due to1). total internal reflection of light2). interference of light3). polarisation of light4). refraction of light
Answer» HELLO, TOTAL internal REFLECTION of light is CORRECT

Discussion

81.	In sunlight a rose appears red. In green light the same rose appears :1). red2). black3). green4). yellow
Answer» CORRECT ANSWER is: OPTION 2

Discussion

82.	If the velocity time graph of a particle is represented by y = mt + c then the particle is moving with1). constant speed2). constant velocity3). constant acceleration4). varying acceleration
Answer» CONSTANT VELOCITY is the CORRECT ANSWER

Discussion

83.	Angle of friction and angle of repose are1). equal to each other2). not equal to each other3). proportional to each other4). None of the above
Answer» ANSWER for this QUESTION is OPTION 1

Discussion

84.	The density of the liquid when heated1). decreases2). increases3). does not change4). may increase of decrease depending on pressure
Answer» is OPTION 1 is the CORRECT ANSWER?? am i RIGHT?

Discussion

85.	Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen1). The heavier mass will reach greater height2). The lighter mass will reach greater height3). Both will reach the same height4). Any of them may reach great height
Answer» option 3 is the CORRECT answer as PER the answer KEY

Discussion

86.	A spherical ball made of steel when dropped in mercury container will1). sink in mercury2). will be on the surface of mercury3). will be partly immersed mercury4). will dissolve in mercury
Answer» will be on the SURFACE of MERCURY : - OPTION 2

Discussion

87.	The time period of a pendulum when taken to the Moon would1). remain the same2). decrease3). become zero4). increase
Answer» CORRECT ANSWER is: INCREASE

Discussion

88.	Noise is measured In1). Watt2). REM3). Centigrade4). Decibel
Answer» is DECIBEL is the CORRECT ANSWER?? am i RIGHT?

Discussion

89.	When a barometer reading suddenly recedes it indicates that climate1). will be very warm2). will be extremely stormy3). will remain cold4). incessant rain for at least 48 hours
Answer» Its very simple QUESTION will be EXTREMELY stormy is the CORRECT answer.

Discussion

90.	Fibre optics work on the principle of1). scattering of light2). total internal absorption3). total internal reflection4). optical rotation
Answer» TOTAL INTERNAL absorption : - is correct hence OPTION 3

Discussion

91.	The filament of electric bulb is made up of :1). Copper2). Nichrome3). Lead4). Tungsten
Answer» OPTION 4 : SEEMS CORRECT

Discussion

92.	What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius 1). All ice will melt2). All water will become ice3). No change will happen4). Only some ice will melt
Answer» CORRECT ANSWER is: OPTION 3

Discussion

93.	Ball pen functions on the principle of1). Viscosity2). Boyles Law3). Gravitational force4). surface tension
Answer» SURFACE TENSION SEEMS CORRECT.

Discussion

Explore topic-wise InterviewSolutions in .

Conversion of heat into electrical is achieved by using :1). Ammeter2). Hydrometer3). Voltmeter4). Thermocouple

Fog is an example of1). Gas dispersed in gas2). Liquid dispersed in gas3). Solid dispersed in gas4). Solid dispersed in liquid

The metal used to make lightning conductors is1). Iron2). Aluminum3). Copper4). Zinc

the sound having a frequency of 20 hertz to 20000 hertz are known as1). Audible sounds2). Ultrasonic's3). Infrasonic4). Mega sonics

What apparatus is used to locate a submerged object1). (I)Radar2). Sonar3). Quasar4). Pulsar

Sound cannot pass through1). water2). steel3). air4). vacuum

What is found in frequency modulation1). Fixed frequency2). Fixed dimension3). Change In frequency and dimension4). Change in dimension only

Which one of the following instruments is used to study dispersion of light 1). Microscope2). Telescope3). Spectrometer4). Photometer

The energy stored in a watch spring is1). kinetic energy2). potential energy3). heat energy4). chemical energy

Why the needle of iron swims on Water surface when it is kept gently 1). It will remain under the water when it will displace more water than its weight2). the density of needle is less than that of water3). due to surface tension4). due to its shape

Heat from the Sun reaches the Earth by1). Reflection2). Conduction3). Radiation4). Convection

Eclipses occur due to which optical phenomena1). Reflection2). Refraction3). Rectilinear propagation4). Diffraction

If a copper wire Is increased to double its length Its resistance will become1). four times2). one fourth3). double4). hall

Smog is a combination of1). Air and water vapours2). Water and smoke3). Fire and water4). smoke and fog

The metal whose electrical conductivity is more is1). copper2). aluminum3). silver4). lead

Remote sensing device has an Inbuilt source of1). X-ray2). gray3). ultraviolet ray4). infrared ray

Dynamo is a device for converting1). Heat energy into electrical energy2). Mechanical energy into electrical energy3). Magnetic energy into electrical energy4). Chemical energy Into electrical energy

The strongest force in nature is1). electrical force2). gravitational force3). nuclear force4). magnetic force

A copper disc has a hole. If the disc is heated the size of the hole1). increases2). decreases3). No change4). first increases and than decreases

Cupric point is the temperature at which1). Matter becomes radioactive2). A metal loses magnetic properties.3). A metal loses conductivity4). Transmutation of metal

The spoon dropped by an astronaut in a satellite will1). fall to the floor2). remain stationary3). continue to follow the motion of the satellite4). move tangentially away

Which among the following is the fundamental quantity 1). Volume2). Time3). Velocity4). Force

Light beam which is highly directional is called:1). eraser2). grazer3). maser4). laser

What is the principle of a Life Jacket1). It provides oxygen to a drowning person2). It increases the volume of the person to keep him afloat3). It decreases the volume of the person to keep him afloat4). The person can sit on It like a raft

The layer of atmosphere used for radio wave transmission is1). chromospheres2). troposphere3). ionosphere4). stratosphere

The velocity of sound is more of1). water2). air3). steel4). wood

Which of the following statements is TRUE when we see rainbow 1). We face sun and raindrops2). The Sun remains behind us and we face raindrops3). In light rainfall we face Sun4). The sky remains clear and the sun is at lower position in the sky

Which one of the following determines the sharpness of image in a camera 1). The aperture2). The exposure time3). The focal length of the lens4). Size of the camera

The sparkling of a diamond is due to1). total internal reflection of light2). interference of light3). polarisation of light4). refraction of light

In sunlight a rose appears red. In green light the same rose appears :1). red2). black3). green4). yellow

If the velocity time graph of a particle is represented by y = mt + c then the particle is moving with1). constant speed2). constant velocity3). constant acceleration4). varying acceleration

Angle of friction and angle of repose are1). equal to each other2). not equal to each other3). proportional to each other4). None of the above

The density of the liquid when heated1). decreases2). increases3). does not change4). may increase of decrease depending on pressure

Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen1). The heavier mass will reach greater height2). The lighter mass will reach greater height3). Both will reach the same height4). Any of them may reach great height

A spherical ball made of steel when dropped in mercury container will1). sink in mercury2). will be on the surface of mercury3). will be partly immersed mercury4). will dissolve in mercury

The time period of a pendulum when taken to the Moon would1). remain the same2). decrease3). become zero4). increase

Noise is measured In1). Watt2). REM3). Centigrade4). Decibel

When a barometer reading suddenly recedes it indicates that climate1). will be very warm2). will be extremely stormy3). will remain cold4). incessant rain for at least 48 hours

Fibre optics work on the principle of1). scattering of light2). total internal absorption3). total internal reflection4). optical rotation

The filament of electric bulb is made up of :1). Copper2). Nichrome3). Lead4). Tungsten

What changes will happen to a bowl of ice and water kept at exactly zero degree Celsius 1). All ice will melt2). All water will become ice3). No change will happen4). Only some ice will melt

Ball pen functions on the principle of1). Viscosity2). Boyles Law3). Gravitational force4). surface tension