Light Waves Question Preview (ID: 54742)


Light Waves. TEACHERS: click here for quick copy question ID numbers.

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.

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 material allows most of the light to be transmitted?
a) Absorption
b) Opaque
c) Transparent
d) Translucent

What medium does light travel the fastest through?
a) Gas
b) Liquid
c) Plasma
d) Solid

What material does not allow light to be transmitted?
a) transparent
b) translucent
c) absorption
d) opaque

Which of the following is an example of a translucent material?
a) tissue paper
b) glass
c) mirror
d) plastic bottle

What is it called when light bends as it enters a new medium?
a) reflection
b) refraction
c) diffraction
d) absorption

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

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

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

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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