NanceyForsting NanceyForsting

26-05-2015
Computers and Technology

Answered

Which of the following electromagnetic waves is not used for communication? A.Gamma rays B.Microwaves C.Infrared Waves D.Radio Waves

Answer :

27-05-2015

We have no safe way to generate gamma rays, no cheap or convenient way to detect them, no easy way to make them carry information, and they are dangerous. So they're not a favorite for communication. The other 3 choices are all popular.

Answer Link

Other Questions

Mr Derbyshire makes a business trip from his house to loganville in 2 hours One hour later he returns home in traffic at a rate 20mph less than his rate going I

Where is the source of the River Thames

What did the Incan inheritance laws motivate Huayna Capac to do 5 points build a temple in Cuzco form an alliance through marriage conquer more land extend the

Two carts collide on a level frictionless track Cart A has a mass of 200 g and is initially stationary Cart B has a mass of 100 g and is initially moving with a

Who is the featured character in an earth diver story A a character who dives into water and brings up a small amount of mud or sand B a character who travels t

Nixons plan of Vietnamization secretly included A a coalition government B support of South Vietnam C withdrawal of US troops D bombing Laos and Cambodia

A bowl contains 4 yellow marbles and 3 red marbles Michael randomly draws 4 marbles from the bowl He replaces each marble after it is drawn What is the probabil

A certain kind of spider is 8 mm wide How many of those spiders could sidebyside on a meter stick

what are 3 facts about xuchal

How is the ecological system organized