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Waves
Test Description: Standard 7
Instructions: Answer all questions to get your test result.
1) For refraction to occur the wave must
A
change speeds
B
reflect
C
enter new medium at new angle
D
change direction
2) The property that determines how much a wave will diffract when encounter an obstacle is
A
frequency
B
time
C
wavelength
D
period
3) When two waves collide and the resulting wave is larger the interference is
A
destructive
B
diffractive
C
constructive
D
reflective
4) A sound wave is an example of a
A
longitudinal wave
B
surface wave
C
standing wave
D
transverse wave
5) In which medium does sound travel fastest
A
water
B
does not matter
C
air
D
metal
6) The way a siren sounds as it approaches and passes you is due to the
A
frequency
B
pitch
C
doppler effect
D
rarefraction
7) Light refracts when it
A
hits your eye
B
ends
C
changes speed
8) The wave with shortest wave legnth in the electromagnetic spectrum are
A
microwave
B
radio
C
gamma
D
visable light
9) The wave with longest wave legnth in the electromagnetic spectrum are
A
visable light
B
radio
C
xray
D
microwave
10) The bending of light when it passes from one medium into another is
A
refraction
B
reflection
C
diffraction
D
isolation
*select an answer for all questions
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