Electromagnetic Radiation - Test || 100% Verified Answers.
What do microwaves and waves in a rope have in common?
a. Both are mechanical waves.
b. Both are transverse waves.
c. Both travel only through matter.
d. two of the above correct answers b
Albert Einstein's theory about the nature of electromagnetic radiation is the:
a. wave-particle theory.
b. photon-particle theory.
c. wave-energy theory.
d. photon-energy theory. correct answers a
Which of the following is not an example of electromagnetic radiation?
a. light
b. heat
c. X rays
d. radio waves correct answers b
Which statement about the speed of electromagnetic waves is true? a. They travel more quickly
through a medium than across space.
b. They travel at the same speed through all media.
c. They always travel at the speed of light.
d. none of the above correct answers d
Frequencies of electromagnetic waves range from:
a. billions to trillions of hertz.
b. thousands to trillions of hertz.
c. hundreds to millions of hertz.
d. hundreds to thousands of hertz. correct answers b
Which electromagnetic waves are used for television broadcasts?
a. radio waves
b. television waves
c. infrared waves
d. ultraviolet waves correct answers a
Radar is used for:
a. tracking storms.
b. detecting air traffic.
c. determining the speed of cars.
d. all of the above correct answers d
An electromagnetic wave begins when a charged particle vibrates. - True or False correct
answers true
What do microwaves and waves in a rope have in common?
a. Both are mechanical waves.
b. Both are transverse waves.
c. Both travel only through matter.
d. two of the above correct answers b
Albert Einstein's theory about the nature of electromagnetic radiation is the:
a. wave-particle theory.
b. photon-particle theory.
c. wave-energy theory.
d. photon-energy theory. correct answers a
Which of the following is not an example of electromagnetic radiation?
a. light
b. heat
c. X rays
d. radio waves correct answers b
Which statement about the speed of electromagnetic waves is true? a. They travel more quickly
through a medium than across space.
b. They travel at the same speed through all media.
c. They always travel at the speed of light.
d. none of the above correct answers d
Frequencies of electromagnetic waves range from:
a. billions to trillions of hertz.
b. thousands to trillions of hertz.
c. hundreds to millions of hertz.
d. hundreds to thousands of hertz. correct answers b
Which electromagnetic waves are used for television broadcasts?
a. radio waves
b. television waves
c. infrared waves
d. ultraviolet waves correct answers a
Radar is used for:
a. tracking storms.
b. detecting air traffic.
c. determining the speed of cars.
d. all of the above correct answers d
An electromagnetic wave begins when a charged particle vibrates. - True or False correct
answers true
