subject
Physics, 30.01.2021 08:20 knutsonellie741

Which two characteristics make electromagnetic waves effective in communication? A.
They do not require a medium to carry information.
B.
They move faster through matter than through space.
C.
They carry more energy than visible light.
D.
They carry information very quickly.

ansver
Answers: 1

Other questions on the subject: Physics

image
Physics, 21.06.2019 18:20, deku6
The extremely high temperatures needed to trigger nuclear fusion are proposed to be generated by laser irradiating a spherical pellet of deuterium and tritium fuel of diameter 1.8 mm. (a) determine the maximum fuel temperature that can be achieved by irradiating the pellet with 200 lasers, each producing a power of 550 w. the pellet has an absorptivity 0.3 and emissivity 0.8.
Answers: 2
image
Physics, 22.06.2019 08:00, cxttiemsp021
Choose each of the settings that follow and list them below do it ill mark brainliest first object= position= speed= acceleration= second object= position= speed= acceleration=
Answers: 2
image
Physics, 22.06.2019 13:00, chie42
Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.
Answers: 2
image
Physics, 22.06.2019 20:40, td0715
Newtons view of arrangement of the universe. don't copy from anywhere.
Answers: 3
You know the right answer?
Which two characteristics make electromagnetic waves effective in communication? A.
They do n...

Questions in other subjects: