Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Open MARKS Web Download App
Search any question & find its solution
Question: Answered & Verified by Expert
In frequency modulated wave
PhysicsCommunication SystemMHT CETMHT CET 2019 (Shift 2)
Options:
  • A Frequency varies with time
  • B Both frequency and amplitude vary with time
  • C Amplitude varies with time
  • D Both frequency and amplitude are constant
Solution:
1917 Upvotes Verified Answer
The correct answer is: Frequency varies with time
In frequency modulated wave, only frequency varies with time, while the amplitude remains constant. This wave can be shown as

It is used in FM broadcasting, telemetry and RADAR etc.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play