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
If the area to be covered for TV telecast is doubled, then the height of transmitting antenna (TV tower) will have to be
PhysicsCommunication SystemJEE Main
Options:
  • A Doubled
  • B Halved
  • C Quadrupled
  • D 16 times
Solution:
1832 Upvotes Verified Answer
The correct answer is: Doubled
We know that

d= 2hRe

A=πd2=2πhRe

area proportional to the height of the antenna

⇒A∝h

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