1000+ Physics Questions for SSC CGL Tier 1, Tier 2 Exam Pdf - 1
Question: 1
In a stationary longitudinal wave, nodes are points of
(A) maximum pressure variation
(B) minimum pressure variation
(C) minimum pressure
(D) maximum pressure
Ans: A
maximum pressure variation
Question: 2
The loudness of sound depends upon
(A) amplitude
(B) wavelength
(C) pitch
(D) velocity
Ans: A
amplitude
Question: 3
Permanent magnet can be made from
(A) aluminium
(B) lead
(C) zinc
(D) cobalt
Ans: D
cobalt
Question: 4
A carbon microphone is best used in a
(A) telephone
(B) transformer
(C) dynamo
(D) none of these
Ans: A
telephone
Question: 5
An electron volt is equal to
(A) 1.6 × 10-19 J
(B) 0.62 × 1019 J
(C) 1.6 × 10-3 J
(D) 0.62 × 1013 J
Ans: A
1.6 × 10-19 J
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