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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