TNPSC Group 4 Physics Question Paper with Answers - 2

Question: 6

The frequency of ultrasound wave is typically

(A) Below 02 kHz

(B) Below 20 kHz

(C) Above 20 kHz

(D) Above 20,000 kHz

Question: 7

The time period of a pendulum watch

(A) depends on the temperature

(B) depends on the time

(C) depends on the length

(D) depends on the mass

Question: 8

Boiling point of water is ___

(A) -39°C

(B) 357°C

(C) 100°C

(D) 0°C

Question: 9

Charges escape readily from

(A) sharp edges

(B) circular edges

(C) spherical edges

(D) blunt edges

Question: 10

When we speak our ____ vibrates.

(A) vocal cord

(B) mouth

(C) tongue

(D) throat