JEE Main 2022 · 25 Jun · Shift 2 · Physics Q49

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PhysicsList match+4 / -1Question 49 of 90

Match List I with List II

Choose the correct answer from the following options :

List I

A
Facsimile
B
Guided media Channel
C
Frequency Modulation
D
Digital Signal

List II

I
Static Document Image
II
Local Broadcast Radio
III
Rectangular wave
IV
Optical Fiber

A-IV, B-III, C-II, D-I

A-I, B-IV, C-II, D-III

A-IV, B-II, C-III, D-I

A-I, B-II, C-III, D-IV

Answer and worked solution

Official answer: B

Match. Facsimile sends a static document image (I); a guided-media channel is an optical fibre (IV); FM is used for local broadcast radio (II); a digital signal is a rectangular wave (III).

(B)

Topics:Elements of communication systems Modulation

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JEE Main 2022 · 25 Jun · Shift 2, Physics question 49