Speed, Velocity, Acceleration Quiz Questions & Answers - 2

Question: 6

The product of the time period of wave and its frequency is

(A) Unity

(B) Zero

(C) Infinite

(D) None of these

Question: 7

Which are the relevant waves in telecommunication?

(A) Microwaves

(B) Violet-rays

(C) X-rays

(D) All of them

Question: 8

X-rays are steams of

(A) Protons

(B) Electrons

(C) Photons

(D) None of these

Question: 9

Mechanical waves

(A) Transverse only

(B) Can be both longitudinal and transverse

(C) Are longitudinal only

(D) None of the above

Question: 10

Out of the following, which frequency is not clearly audible to the human ear?

(A) 30 Hz

(B) 300 Hz

(C) 3000 Hz

(D) 30,000 Hz