WAVES Part 2 Question Preview (ID: 44253)
Waves Part 2.
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AM radio waves are ______________________.
a) reflected back to Earth by the IONOSPHERE
b) higher frequency than FM
c) higher Energy than FM
d) mechanical waves
Am Waves and Fm waves both
a) have changing amplitudes
b) have changing frequencies
c) are methods of transmitting signals for radio broadcast
d) pass through the IONOSPHERE
FM radio stations cannot be heard as far as AM radio waves b/c
a) FM radio waves are short
b) FM radio waves are slow
c) FM radio waves have high frequency
d) FM radio waves pass through the IONSOPHERE (not reflected back to Earth)
Which of the following describes both electromagnetic and mechanical waves?
a) Can travel through space
b) Can interact with matter
c) cannot travel through space
d) include seismic and water waves
Which of the following describes both electromagnetic and mechanical waves?
a) cannot travel through space
b) Can Reflect and refract when entering a medium
c) include seismic and sound waves
d) Can travel through space
Which of the following describes both electromagnetic and mechanical waves?
a) cannot travel through space
b) Can travel through space
c) Can be measured by amplitude, wavelength, and frequency
d) none of the above
The following wave is electromagnetic and has the highest frequency of all electromagnetic waves.
a) Microwaves
b) Radio Waves
c) X-Rays
d) Gamma Rays
This type of Wave DOES NOT NEED a medium to travel.
a) Mechanical waves
b) Electromagnetic waves
c) Sound waves
d) Seismic Waves
This type of wave can Travel through the emptiness of space ( a Vacuum).
a) Mechanical waves
b) Electromagnetic waves
c) Sound waves
d) Seismic Waves
This type of wave REQUIRES a medium to travel.
a) Mechanical waves
b) Electromagnetic waves
c) Radio waves
d) Microwaves
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