TNPSC Group 4 Physics Model Question Paper 2019-2020 - 2

Question: 6

Transfer of heat in solid substance occurs through the process is called ___

(A) convection

(B) conduction

(C) radiation

(D) diffusion

Question: 7

The amount of heat energy 1 calorie is equal to ____

(A) 42 joule

(B) 0.42 joule

(C) 4.2 joule

(D) 4200 joule

Question: 8

A glass rod rubbed with ____ acquires positive charges.

(A) wool

(B) cotton

(C) metal

(D) silk

Question: 9

Two upper ends of the tuning fork are called ___

(A) sonometer

(B) frequency

(C) prongs

(D) stem

Question: 10

If the vibrating length is short, it will produce ___ sound.

(A) inaudible

(B) uniform

(C) low pitched

(D) high pitched