Physics Quiz Questions and Answers - 2

Question: 6

Two different sources

(A) Sometimes produce coherent waves

(B) Can act as two coherent sources

(C) Cannot act as two coherent sources

(D) Never produce any wave

Question: 7

The medium in which light travels with same speed in all directions is _____ medium.

(A) Isotropic

(B) Isotopic

(C) Homogenous

(D) Hetrogenous

Question: 8

The refractive indices of the various layers in the ionosphere

(A) Varies with respect to electron density and the frequency of the incident wave

(B) Varies with respect to the frequency of the incident wave

(C) Varies with respect to electron density

(D) Remains constant

Question: 9

The frequency of upper side band is

(A) Greater than that of carrier

(B) Lesser than that of carrier

(C) Greater than that of signal

(D) Infinity than that of carrier

Question: 10

The frequency of lower side band is

(A) Lesser than that of signal

(B) Zero than that of carrier

(C) Greater than that of carrier

(D) Lesser than that of carrier