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Sound And Light
Test Description: Review for Sound and light quiz
Instructions: Answer all questions to get your test result.
1) What is visible light?
A
form of electromagnetic energy, is used in the fluorescent lights of tanning salons.
B
It contains the only region of frequencies to which the human eye responds.
C
They have the longest wavelength and the lowest frequency.
D
They have the shortest wavelength and the highest frequency.
2) How do light waves travel?
A
Straight paths
B
Right angles
C
Curve paths
D
.
3) Which of the following is NOT a basic components of all transverse waves?
A
crest
B
trough
C
wavelength
D
peak
4) What are the units for frequency?
A
Hertz
B
Watts
C
Newtons
D
m/s/s
5) How are frequency and wavelength related?
A
not related
B
inverse
C
.
D
direct
6) Sound travels FASTEST through which of these materials?
A
Water
B
Air
C
Empty Space
D
Metal
7) What is frequency?
A
the back and forth movement of matter
B
the loudness or softness of a sound
C
how high or low a sound is
D
the number of vibrations per second
8) What is vibration?
A
how high or low a sound is
B
the back and forth movement of matter
C
how loud a sound is
D
the loudness or softness of a sound
9) Sound can be dangerous at what level?
A
above 120 Hz
B
10-20 Hz
C
20-30 Hz
D
40-50 Hz
10) Which travels faster, light or sound?
A
light
B
.
C
sound
D
.
11) Why is sound able to travel faster through a solid than a gas?
A
Gas molecules are packed tightly.
B
Gas molecules move slowly.
C
Sound does not travel faster through a solid than a gas.
D
Solid molecules are packed tightly.
12) An object that does not vibrate cannot produce
A
electricity
B
light
C
sound
D
heat
13) Which is the approximate range of human hearing?
A
500-20,000 Hz
B
20-5,000 Hz
C
5-5,000 Hz
D
20-20,000 Hz
14) The interaction of waves that meet at the same point at the same time is
A
reflection
B
diffraction
C
refraction
D
interference
15) How do the air molecules move in a sound wave?
A
at right angles to the wave
B
in all directions
C
the air molecules themselves do not move
D
in the same path as the wave
*select an answer for all questions
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