JacintoKovalsky JacintoKovalsky

26-05-2015
Computers and Technology

contestada

which of the following electromagnetic waves are not used for communication? a.gamma rays b.microwaves c.infrared waves d.radio waves

Respuesta :

26-05-2015

Gamma rays are not used for communication.

-- We have no safe way to generate them.
-- We have no cheap way to detect them.
-- We have no way to impress information on them (modulate them).
-- They're dangerous.

Otherwise they're ideal for communication.

Answer Link

Otras preguntas

The following are antigen presenting cells except? A) macrophages B) neutrophils C) B lymphocyte D) dentritic

Solve the system of equations. y = 4x y= x^2+ 3

How did the Berlin Conference affect Kenya?

Explain Harry Truman's role in the atomic bomb prior to

HELP NEEDED PLEASE! A sphere has a volume of 12pi units ^3. Its surface area is ##.372 units ^2. What are the first two digits?

what is research mythology?

Can someone answer this plwaee

Kenneth, a nursing assistant, is working with Hector, an elderly patient. Hector is incontinent and is very embarrassed when he soils his clothes. Kenneth sugge

what is the theme in this excerpt from the folktale "babes in the woods"

Help soon please! <3 Use this passage to answer the following question: The Cotton Gin Andrea Brecheen The cotton gin was one of the most amazing and tragic