GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 054
531). The lowest level energy band in a solid is called
A). valence bond
B). conduction bond
C). fermi level
D). equal level
Answer: valence bond
532). Consider the following statements :
Assertion (A) : A simple pendulum experiment cannot be performed in a satellite.
A). valence bond
B). conduction bond
C). fermi level
D). equal level
Answer: valence bond
532). Consider the following statements :
Assertion (A) : A simple pendulum experiment cannot be performed in a satellite.
Reason (R) : The simple pendulum inside the satellite will be in a state
of zero gravity.
Select your answer from the coding scheme given below :
A). Both (A) and (R) are true, and (R) is the correct explanation of (A)
B). Both (A) and (R) are true, but (R) is not the correct explanation of (A)
C). (A) is true, but (R) is false
D). (A) is false, but (R) is true
Answer: Both (A) and (R) are true, and (R) is the correct explanation of (A)
533). Ice is slippery, when a man walks on it, for
A). its surface is smooth
B). there is no friction
C). increase of pressure causes ice to melt
D). it is very chill
Answer: there is no friction
534). Which one of the following is correctly matched?
A). Viscosity - Kg/m
B). Surface tension - Newton/m
C). Young's modulus - Kg/m^2
D). Rigidity modulus - Newton^2/m
Answer: Surface tension - Newton/m
535). When a vehicle passes, TV reception gets distorted due to
A). metal reflecting radio waves
B). spark plug creating electromagnetic disturbances
C). passing vehicle affecting TV components
D). use of electronic ignition system
Answer: spark plug creating electromagnetic disturbances
536). The escape velocity of earth is approximately
A). 7 km/s
B). 11.2 km/s
C). 1.2 km/s
D). 21.2 km/s
Answer: 11.2 km/s
537). Why do rain bearing clouds look black?
A). all light is scattered by them
B). they reflect the sunlight back into the, atmosphere
C). the large number of water droplets in them absorb all the sunlight
D). there is a lot of dust condensed on the water vapour in these clouds
Answer: the large number of water droplets in them absorb all the sunlight
538). The sky is blue in colour because of
A). the moisture present in the air
B). the scattering of light by dust particles or air molecules
C). combination of various lights producing blue colour
D). all of those
Answer: the scattering of light by dust particles or air molecules
539). Sound waves in air are
A). transverse waves
B). longitudinal waves
C). may be both types
D). none of these
Answer: longitudinal waves
540). The density of pure water will be
A). maximum at 4°C
B). minimum at 4°C
C). maximum at 0°C
D). minimum at 0°C
Answer: maximum at 4°C
Select your answer from the coding scheme given below :
A). Both (A) and (R) are true, and (R) is the correct explanation of (A)
B). Both (A) and (R) are true, but (R) is not the correct explanation of (A)
C). (A) is true, but (R) is false
D). (A) is false, but (R) is true
Answer: Both (A) and (R) are true, and (R) is the correct explanation of (A)
533). Ice is slippery, when a man walks on it, for
A). its surface is smooth
B). there is no friction
C). increase of pressure causes ice to melt
D). it is very chill
Answer: there is no friction
534). Which one of the following is correctly matched?
A). Viscosity - Kg/m
B). Surface tension - Newton/m
C). Young's modulus - Kg/m^2
D). Rigidity modulus - Newton^2/m
Answer: Surface tension - Newton/m
535). When a vehicle passes, TV reception gets distorted due to
A). metal reflecting radio waves
B). spark plug creating electromagnetic disturbances
C). passing vehicle affecting TV components
D). use of electronic ignition system
Answer: spark plug creating electromagnetic disturbances
536). The escape velocity of earth is approximately
A). 7 km/s
B). 11.2 km/s
C). 1.2 km/s
D). 21.2 km/s
Answer: 11.2 km/s
537). Why do rain bearing clouds look black?
A). all light is scattered by them
B). they reflect the sunlight back into the, atmosphere
C). the large number of water droplets in them absorb all the sunlight
D). there is a lot of dust condensed on the water vapour in these clouds
Answer: the large number of water droplets in them absorb all the sunlight
538). The sky is blue in colour because of
A). the moisture present in the air
B). the scattering of light by dust particles or air molecules
C). combination of various lights producing blue colour
D). all of those
Answer: the scattering of light by dust particles or air molecules
539). Sound waves in air are
A). transverse waves
B). longitudinal waves
C). may be both types
D). none of these
Answer: longitudinal waves
540). The density of pure water will be
A). maximum at 4°C
B). minimum at 4°C
C). maximum at 0°C
D). minimum at 0°C
Answer: maximum at 4°C
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