Light Waves Question Preview (ID: 54742)
Light Waves.
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Light waves are classified as
a) transverse
b) longitudinal
c) seismic
d) both longitudinal and transverse
The bouncing back of a wave is called
a) refraction
b) reflection
c) incidence
d) diffraction
Transmit means
a) Light waves disappear in the medium
b) Most of the light goes through the material
c) Light is passing through a medium
d) No light can be passed through
When light is spread out through an opening this is called
a) diffraction
b) refraction
c) reflection
d) scattering
Which of the following is an example of refraction?
a) echo
b) seeing light under the door
c) image in a mirror
d) prism
What is it called when light bends as it enters a new medium?
a) reflection
b) refraction
c) diffraction
d) absorption
Which of the following is an example of a translucent material?
a) tissue paper
b) glass
c) mirror
d) plastic bottle
What material does not allow light to be transmitted?
a) transparent
b) translucent
c) absorption
d) opaque
What medium does light travel the fastest through?
a) Gas
b) Liquid
c) Plasma
d) Solid
What material allows most of the light to be transmitted?
a) Absorption
b) Opaque
c) Transparent
d) Translucent
When light encounters a white material, what happens to the light?
a) All colors are reflected
b) All colors are absorbed
c) All colors are transmitted
d) All colors are refracted.
What occurs when you look at a green leaf?
a) All light is reflected
b) The green light is absorbed
c) The green light is reflected
d) The red and blue light are transmitted.
What does concave mean?
a) curve outward
b) curve inward
c)
d)
What is the focal point?
a) When the image is upside down
b) Where light waves meet and cross
c) The spreading out of light in all directions
d) The spot where all light is absorbed
What type of lens creates a focal point?
a) concave
b) convex
c)
d)
The mirror that makes a focal point is a
a) concave
b) convex
c)
d)
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