TNPSC Group 4 Physics Study Material in English Tamil - 3

Question: 11

Superconductivity results when matter is

(A) subjected to very low pressure

(B) heated to very high temperature

(C) compressed to very high pressure

(D) cooled to very low temperature

Question: 12

The good conductor of heat energy is ____

(A) rubber

(B) Iron

(C) mica

(D) glass

Question: 13

In the electric oven electric power is converted into ___ energy.

(A) magnetic

(B) sound

(C) light

(D) heat

Question: 14

The liquid used in doctors thermometer is

(A) kerosene

(B) mercury

(C) water

(D) alcohol

Question: 15

The change of a solid into a liquid on heating is called ___

(A) condensation

(B) melting

(C) evaporation

(D) freezing