Waves And Light Question Preview (ID: 54108)
Waves And Light Content.
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What does a wave transfer?
a) The toys in a pool
b) A surfer
c) Matter
d) Energy
When the amplitude of a wave decreases what happens?
a) The energy also decreases
b) The waves decrease
c) Matter is no longer transferred
d) The tide goes out
When all light is reflected from an object, what color will the object appear?
a) Red
b) Blue
c) Black
d) White
Light needs a medium to travel through.
a) True
b) False
c)
d)
Your legs appear to be bent or broken when you dangle them into a pool of water and why?
a) The light changes speed when passing from one medium to another causing it to bend at different angles.
b) Because your legs start to float and you do not realize it
c) Light is reflecting off the water
d) The edge of the pool is probably bent
When light hits a smooth surface and bounces off at the same angle it traveled that is:
a) Absorption
b) Reflection
c) Refraction
d) Back traveling
Wearing dark colors might help to keep you cooler in summer.
a) true
b) False
c)
d)
When all colors of light are combined what color does that make?
a) Red
b) green
c) Blue
d) White
The law of reflection states:
a) The angle of reflection is equal to the angle at which it travels in and strike the surface
b) The light will leave the surface at several angles
c) The angle of reflection is completely opposite to what it travels in.
d) Smooth surfaces do not reflect light
Diffused reflection causes light to reflect and bounce off at the same angle that it strikes the surface.
a) True
b) False
c)
d)
When you can shine a light through a clear glass and see the light on the other side, it is because that window is:
a) Translucent
b) Opaque
c) Transparent
d) Reflective
You make a shadow puppet on the wall using a flashlight shined on your hands. This works because your
a) Translucent
b) Opaque
c) transparent
d) Reflective
Your friend holds up a piece of paper and shines a flashlight towards it. You see a circle of light but not the actual light because the paper is _____
a) Translucent
b) Opaque
c) Transparent
d) Reflective
A mechanical wave such as sound need a _______ to travel through.
a) Host
b) Medium (Matter)
c) Friend
d) Color
In a transverse wave the particles move:
a) up and down in the opposite direction of the wave
b) In a circle
c) back and forth in the same direction as the wave
d) They do not move
In a longitudinal wave the particles move
a) back and forth in the same direction as the wave
b) up and down in the same direction as the wave
c) they move in random motion
d) at several angles from the wave.
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