hs Physics mcq questions For UPSC | SSC | Rail | RRB | State PSC P32

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Physics - 32

156. Which of the following is not a conservative force?
(A) Electrostatic force.
(B) Magnetostatic force.
(C) Gravitational force.
(D) Frictional force

Correct Answer: [D] Frictional force.

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157. The reverberation of sound in a half is due to continued
(A) diffraction
(B) absorption
(C) reflection
(D) interference

Correct Answer: [D] interference.

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158. Glass is best described as
(A) A eutectic mixture
(B) A supercooled solution
(C) A gel
(D) An alloy

Correct Answer: [B] A supercooled solution.

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159. Glass is best described as
(A) A eutectic mixture
(B) A supercooled solution
(C) A gel
(D) An alloy

Correct Answer: [B] A supercooled solution.

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160. Glass is best described as
(A) A eutectic mixture
(B) A supercooled solution
(C) A gel
(D) An alloy

Correct Answer: [B] A supercooled solution.

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