Light And Waves 2018 Question Preview (ID: 45009)
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How are light waves different from mechanical waves?
a) Light waves can travel through empty space and sound waves need a medium to travel on
b) Light waves need a medium to travel on and sound waves can travel through empty space
c) Light wave and sound waves are the same thing
d) None of the above
What shape of lens causes light to refract to a single point?
a) Convex
b) Concave
c) Contact
d) None of the above
What type of wave do sound waves travel on?
a) Compressional/longitudinal
b) Transverse
c) Ocean
d) Seismic
When wave frequency increases what does the wavelength do?
a) Increases
b) Stays the same
c) Decrease
d) None of the above
Explain light refraction.
a) When light travels between air and water or air and glass the light bends
b) When light travels through any substance light bends
c) When light travels through air and water or air and glass the light is blocked
d) When light travels through solid surfaces the light bends
How does light reflect off of a rough surface?
a) Light will not reflect off a rough surface
b) Light reflects in a single beam off a rough surface
c) Light reflects in many different directions off a rough surface
d) Light only absorbs into rough surfaces
When we see color of an object, the object is every color except what we see. Why?
a) The object absorbs all other colors and the color we see is reflected off the object
b) The object reflects all colors except the color we see
c) The object refracts all colors except the color we see
d) None of the above
Objects gain___________when they absorb light?
a) Speed
b) Frequency
c) Energy
d) Wavelength
What does a wave transport from place to place?
a) Nothing
b) Water only
c) Light only
d) Energy
What type of wave measures movement in Earth’s surface?
a) Seismic wave
b) Infrared wave
c) Light wave
d) Sound wave
What does wavelength measure on a wave?
a) How high a wave is
b) The distance between one wave and the next wave
c) The speed of a wave
d) The frequency of the wave
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