TNPSC Physics Objective Questions and Answers - 2

Question: 6

Among the following radiations, which has the highest energy?

(A) Infrared

(B) Ultraviolet

(C) X-ray

(D) Visible

Question: 7

E = MC², ‘c’ denotes

(A) wavelength of light

(B) a constant factor

(C) velocity of light

(D) velocity of sound

Question: 8

The electrolyte in a car battery is

(A) sulphuric acid

(B) distilled water

(C) nitric acid

(D) hydrochloric acid

Question: 9

The arrangement to study the conduction of electricity through gases is ____

(A) Vacuum tube

(B) Discharge tube

(C) Coolidge tube

(D) None of the above

Question: 10

X-ray is ____

(A) Principle of conservation of charge

(B) Conversion of energy into mass

(C) Conversion of momentum

(D) Phenomenon of conversion of kinetic energy into radiation