Thursday, February 27, 2020

WBCS Polity and Constitution MCQs Prelims and Mains

Physics mcq book For UPSC | SSC | Rail | RRB | State PSC P24


Physics - 24

116. One important difference between light and sound is that the former
(A) Can bend around corners
(B) Can travel through space
(C) Is a wave motion
(D) Can be reflected

Correct Answer: [B] Can travel through space.
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117. The following animal has a similar vision as we have
(A) Horse
(B) Pigeon
(C) Goat
(D) Owl

Correct Answer: [D] Owl.
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118. The radiant energy from the sun is due to
(A) Nuclear fusion
(B) Nuclear fission
(C) chemical reaction
(D) combustion

Correct Answer: [A] Nuclear fusion.
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119. The heat required to raise the temperature of a body by 1°K is called
(A) Water equivalent
(B) None of the above
(C) Specific heat
(D) Thermal capacity

Correct Answer: [D] Thermal capacity.
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120. X-rays are
(A) Electromagnetic wave of long wavelength
(B) Electromagnetic wave of short wavelength
(C) Electromagnetic wave
(D) None of the above

Correct Answer: [B] Electromagnetic wave of short wavelength.
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