TNPSC Group 4 Physics Study Material in English Tamil - 2

Question: 6

The force between two unlike charges is ___

(A) repulsive or attractive

(B) repulsive

(C) attractive

(D) nil

Question: 7

The compressions and rarefactions are produced in

(A) electromagnet waves

(B) heat

(C) sound

(D) light

Question: 8

In ____ sound can be produced by striking one object with another.

(A) veena

(B) tabla

(C) guitar

(D) flute

Question: 9

Sound of frequencies greater than 20,000 Hz are known as ___

(A) ultrasonic

(B) inaudible sound

(C) infrasonic

(D) audible range of frequency

Question: 10

The vocal cords of women and children are ____ than that of men.

(A) smaller

(B) thicker

(C) thinner

(D) larger