TNPSC Physics Gk Questions with Answers - 2

Question: 6

Velocity of light is maximum in

(A) Vacuum

(B) Glass

(C) Water

(D) Diamond

Question: 7

Which of the following is not a vector quantity?

(A) Displacement

(B) Speed

(C) Velocity

(D) Torque

Question: 8

SI unit of luminous intensity is

(A) Candela

(B) Lux

(C) Watt

(D) Lumen

Question: 9

Distance of stars are measured in

(A) Light year

(B) Cosmic kilometer

(C) Seller mile

(D) Galactic unit

Question: 10

The best conductor of heat among the following is

(A) Water

(B) Ether

(C) Mercury

(D) Alcohol