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
The sound waves after being converted into electrical waves are not transmitted as such because
PhysicsCommunication SystemJIPMERJIPMER 2012
Options:
  • A they travel with the speed of sound
  • B the frequency is not constant
  • C they are heavily absorbed by the atmosphere
  • D the height of antenna has to be increased several times
Solution:
2450 Upvotes Verified Answer
The correct answer is: they are heavily absorbed by the atmosphere
The electric waves do not have the capacity to travel through the atmosphere. They get immediately grounded and they become neutral as fast as possible. This makes electrical waves incapable to travel through the atmosphere.

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