TRB Physics Question Bank - 3

Question: 11

The ratio of velocity of X-rays to that of gamma rays

(A) depends upon the ratio of their frequencies

(B) is 1

(C) is >1

(D) is <1

Question: 12

Joule’s law is verified using _______

(A) Joule’s thermometer

(B) Joule’s barometer

(C) Joule’s calorimeter

(D) Joule’s pyroheliometer

Question: 13

The temperature of a body is an indicator of

(A) the total velocity of the molecules of body

(B) the total potential energy of the molecules of body

(C) average kinetic energy of the molecules of body

(D) average total energy of the molecules of body

Question: 14

The article to be electroplated is placed at

(A) anode

(B) cathode

(C) cathode or anode

(D) electrolyte

Question: 15

What type of electromagnetic radiation is used in the remote control of a television?

(A) Visible

(B) Ultraviolet

(C) Infrared

(D) None of these