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