Physical Science

Chapter 12: Electromagnetic Waves

Section 3 Self-Check Quiz-Eng.

1.
The specific frequency of the electromagnetic wave that a radio station is assigned is called the __________.
A)amplitude modulation
B)carrier wave
C)frequency modulation
D)cathode
2.
A(n) __________ is a sealed vacuum tube in which beams of electrons are produced.
A)amplitude modulator
B)frequency modulator
C)transceiver
D)cathode-ray tube
3.
A(n) __________ transmits one radio signal and receives another radio signal from a base unit.
A)transceiver
B)cathode-ray tube
C)carrier wave
D)microwave oven
4.
When light behaves as a particle, it is called a __________.
A)photon
B)proton
C)phosphene
D)phonolite
5.
Whether or not electrons will be ejected from metal when light shines on the metal depends on __________.
A)the intensity of the light
B)the temperature of the metal
C)the frequency of the light
D)whether there were any electrons in the metal
6.
When electrons are shot through two small openings, the result is an interference pattern. This result show that __________.
A)electrons behave like particles
B)matter can behave like waves
C)attempts to describe nature in terms of waves and particles are futile
D)the openings were too small
7.
Global Positioning System is a system of satellites, ground monitoring stations and receivers that __________.
A)provide information about the receiver's exact location at or above Earth's surface
B)provide mobile telephone service
C)broadcast television signals
D)provide two-way radio service for police cars, fire trucks, and ambulances
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