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Saturday, 31 October

JEE Main 2023 · PhysicsMultiple choiceSingle correctEasyRecall

JEE Main 10 April 2023, Shift 2, Physics Q42

Question 42 of 90 in this shift, Physics question 12 of 30, Section A.

A message signal of frequency 3kHz is used to modulate a carrier signal of frequency 1.5 MHz. The bandwidth of the amplitude modulated wave is
  1. (1)66 MHz
  2. (2)33 MHz
  3. (3)33 kHz
  4. (4)66 kHzOfficial answer

Official answer

Option 4

NTA final key.

Chapter
Communication Systems
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.