MEDIUM
11th Maharashtra Board
IMPORTANT
Earn 100

The waves used by artificial satellites for communication purposes are

58.33% studentsanswered this correctly

Important Questions on Electromagnetic Waves and Communication System

EASY
11th Maharashtra Board
IMPORTANT

If a TV telecast is to cover a radius of 640 km, what should be the height of transmitting antenna?

EASY
11th Maharashtra Board
IMPORTANT
State two characteristics of an EM wave.
EASY
11th Maharashtra Board
IMPORTANT
Why are microwaves used in radar?
EASY
11th Maharashtra Board
IMPORTANT
What are EM waves ?
MEDIUM
11th Maharashtra Board
IMPORTANT
How are EM waves produced?
EASY
11th Maharashtra Board
IMPORTANT

Can we produce a pure electric or magnetic wave in space? Why?

EASY
11th Maharashtra Board
IMPORTANT
Does an ordinary electric lamp emit EM waves?
EASY
11th Maharashtra Board
IMPORTANT
Why light waves travel in vacuum whereas sound wave cannot?