2590454
Description
Quiz by Grace Zhang, updated more than 1 year ago
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Created by Grace Zhang
over 9 years ago
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Question 1
Question
which one travels faster?
Answer
-
sound
-
light
Question 2
Question
Sound does not need a medium to transfer sound waves.
Answer
- True
- False
Question 3
Question
luminous objects does not emit light on its own.
Answer
- True
- False
Question 4
Question
luminous objects
Answer
-
moon
-
sun
-
lamp
-
glow-worms
Question 5
Question
light travels in a straight line
Answer
- True
- False
Question 6
Question
which one is converging light rays?
Answer
Question 7
Question
solar eclipse
Answer
-
sun moves between the moon and earth
-
earth moves between the sun and the moon
-
moon moves between the sun and the earth
Question 8
Question
umbra region
Answer
-
region where partial shadow is experienced.
-
region where there is a total shadow.
Question 9
Question
the amount and direction of reflected light depends on the surface on which it strikes.
Answer
- True
- False
Question 10
Question
the reflection of light
Answer
-
the reflection of light is the bouncing of light off a surface.
-
the reflection of light is the bending of light as it travels from one medium to another
Question 11
Question
which one is concave mirror?
Answer
Question 12
Question
angle of incidence does not equivalent to angle of reflection.
Answer
- True
- False
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