GENERAL KNOWLEDGE

GK

GENERAL SCIENCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What waves carry information to your TV and radio?
A
Radio
B
Microwaves
C
Gamma
D
AM
Explanation: 

Detailed explanation-1: -Radio waves are used for wireless transmission of sound messages, or information, for communication, as well as for maritime and aircraft navigation. The information is imposed on the electromagnetic carrier wave as amplitude modulation (AM) or as frequency modulation (FM) or in digital form (pulse modulation).

Detailed explanation-2: -Radio waves, infrared rays, visible light, ultraviolet rays, X-rays, and gamma rays are types of electromagnetic radiation. Radio waves are used for communication. It is used for television and radio.

Detailed explanation-3: -Radio waves are used to transmit television and radio programmes, whereas microwaves are used for mobile phones and Wi-Fi.

There is 1 question to complete.