Communication System-Need for Modulation (NEET Physics): Questions 4 - 6 of 6

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2098 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

Question number: 4

» Communication System » Need for Modulation

MCQ▾

Question

Range of frequencies allotted for commercial FM radio broadcast is,

Choices

Choice (4) Response

a.

88 to 108 kHz

b.

8 to 88 MHz

c.

88 to 108 MHz

d.

88 to 108 GHz

Question number: 5

» Communication System » Need for Modulation

MCQ▾

Question

An oscillator is producing FM waves of frequency 2 kHz with a variation of 10 kHz. What is the modulating index?

Choices

Choice (4) Response

a.

1.5

b.

0.20

c.

5.0

d.

0.67

Question number: 6

» Communication System » Need for Modulation

MCQ▾

Question

The process of superimposing signal frequency (i. e. audio wave) on the carrier wave is known as,

Choices

Choice (4) Response

a.

Modulation

b.

Detection

c.

Reception

d.

Transmission

Sign In