QUESTION

# KAPLAN SC200 UNIT 3 QUIZ (LATEST 2015)

Question 1. Question :

Which wave does not need a medium?

ocean wave

sound wave

X-ray

seismic wave

ripples on water

Question 2. Question :

Light passing through a window glass is an interaction called

transmission.

absorption.

scattering.

reflection.

diffusion.

Question 3. Question :

The number of wave crests that go by a given point every second is called the

wavelength

frequency

velocity

amplitude

Question 4. Question :

The speed of light is

100,000 km/s

200,000 km/s

300,000 km/s

400,000 km/s

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

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

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

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.

Question 9. Question :

Which type of radiation can be used to sterilize medical equipment?

fluorescence

Question 10. Question :

has shorter wavelengths.

has longer wavelengths.

is a faster wave.

is a slower wave.

is visible to the human eye.

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.

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

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.

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