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