PG TRB Physics Online Test - 2
Question: 6
The study of earthquakes is known as
(A) Seismology
(B) Ecology
(C) Numismatics
(D) None of these
Ans: A
Seismology
Question: 7
Light year is related to
(A) Energy
(B) Distance
(C) Speed
(D) Intensity
Ans: B
Distance
Question: 8
A device used to measure current is
(A) Barometer
(B) Ammeter
(C) Galvanometer
(D) Altimeter
Ans: B
Ammeter
Question: 9
The electrolyte in a car battery is
(A) Nitric acid
(B) Hydrochloric acid
(C) Sulphuric acid
(D) Distilled water
Ans: A
Nitric acid
Question: 10
In television broadcast, the picture signals are transmitted by
(A) Amplitude modulation
(B) Phase modulation
(C) Angle modulation
(D) Frequency modulation
Ans: D
Frequency modulation
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