Glencoe 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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