KAPLAN SC200 UNIT 3 QUIZ LATEST 2015 NOVEMBER

QUESTION

Question 1. Question
:
Which wave does not need a medium?

ocean wave
sound wave
X-ray
seismic wave
ripples on water
Points Received: 1 of 1

Question 2. Question
:
Light passing through a window glass is an interaction
called

transmission.
absorption.
scattering.
reflection.
diffusion.
Points Received: 1 of 1

Question 3. Question
:
The number of wave crests that go by a given point every
second is called the
wavelength
frequency
velocity
amplitude
Points Received: 1 of 1

Question 4. Question
:
The speed of light is

100,000 km/s
200,000 km/s
300,000 km/s
400,000 km/s
Points Received: 1 of 1

Question 5. Question
:
What causes an electromagnetic wave to be emitted?

writing an equation that has the wave form in
it
destructive interference of sound waves
trying to separate electrical from magnetic
phenomena
acceleration of an electric charge
constructive interference of any kind of wave
Points Received: 1 of 1

Question 6. Question
:
The increase in frequency of an approaching source of
electromagnetic radiation is termed the

scattering effect
transmission factor
Doppler effect
absorption spectrum
Points Received: 1 of 1

Question 7. Question
:
Due to the Doppler effect, when a source of light approaches
an observer, the light appears to be _______ than it actually is.

brighter
darker
bluer
redder
Points Received: 1 of 1

Question 8. Question
:
The fundamental difference between electromagnetic waves and
other types of waves is that electromagnetic waves

move more slowly than all other types of
waves.
are invisible regardless of wavelength.
do not experience constructive or destructive
interference.
transfer energy without transferring mass.
all have the same wavelength.
Points Received: 1 of 1

Question 9. Question
:
Which type of radiation can be used to sterilize medical
equipment?

microwave radiation
ultraviolet radiation
fluorescence
infrared radiation
radio waves
Points Received: 0 of 1

Question 10. Question
:
Compared to microwave radiation, infrared radiation
has shorter wavelengths.
has longer wavelengths.
is a faster wave.
is a slower wave.
is visible to the human eye.
Points Received: 1 of 1

Question 11. Question
:
The Doppler effect describes

how bats fly and locate their food.
the way frequency of a wave appears to change
from a moving source.
sound wave frequency from a resting source.
how dolphins navigate in the world’s oceans.
how humans see the colors red and blue.
Points Received: 1 of 1

Question 12. Question
:
The complete range of wavelengths of electromagnetic
radiations in the universe is

the transmission factor
the spectrum
the scattering effect
the Doppler effect
Points Received: 1 of 1

Question 13. Question
:
If you are observing a light source moving very rapidly
towards you, the Doppler effect predicts that the light will be

redshifted.
blueshifted.
bent.
transmitted.
radiated.
Points Received: 1 of 1

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