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- 1. Multiple Choice
What happens when light is refracted?
It changes direction
It becomes invisible
It releases heat
It moves faster
- 2. Multiple Choice
What happens to the speed of light as it exits the air and enters a glass of water?
It speeds up
It remains constant
It slows down
It first slows down and then speeds up
- 3. Multiple Choice
How do the sound waves of the higher pitch notes compare to the sound waves of the lower pitch notes?
The sound waves of notes with higher pitches have higher amplitudes.
The sound waves of notes with higher pitches travel at higher speed.
The sound waves of notes with higher pitches have higher wavelengths.
The sound waves of notes with higher pitches have figher frequencies.
- 4. Multiple Choice
Which of the following best describes how light waves pass through transparent materials?
They are refracted.
The are reflected.
They are transmitted.
They are diffused.
- 5. Multiple Choice
Which of the following has the greatest effect on refraction?
The length of the light wave as it approaches the medium
the speed of the light wave as it travels through the medium
the width of the light wave as it exits the medium
the reflection of the light wave off the medium's surface
- 6. Multiple Choice
Which of the following statements about how light waves travel is correct?
light waves travel the fastest through liquids and slowest through the air
light waves travel faster through solids than through air
light waves travel the fastest through solids and slowest through liquids
light waves travel faster through the air than through solids
- 7. Multiple Choice
Why can human ears hear dolphins' vocalizations while under the water but cannot hear them well on land?
The waves in the water travel faster and at a higher frequency than they travel on land.
The waves in the water travel faster and at a lower frequency than they travel on land.
The waves in the water travel slower and at a higher frequency than they travel on land.
The waves in the water travel slower and at a lower frequency than they travel on land.
- 8. Multiple Choice
How is the light wave that travels through a prism refracted when the Sun's radiation reaches Earth?
The light reflect off the surface of the prism.
The light is absorbed by the glass in the prism.
The light speeds up as it leaves the prism and enters the air.
The light slows down as it moves from the air into the glass.
- 9. Multiple Choice
Why can't you hear through a transparent window?
sound travels much faster through glass
sound does not travel in a straight line
there was a vacuum between the layers of the window pane
The door was blocking the sound
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