1.) in which of the following ways is light similar to sound?
it cannot move through a vacuum
it moves in waves
it travels about 331 meters per second through air
it is perceived by our ears
2.) what is the definition of a light year?
186,000 miles per second
the time it takes light to travel 300,000 kilometers
the distance light travels in one year
the distance from the sun to the earth
3.) how far can light travel in one second?
300,000 kilometers
186,000 kilometers
331 kilometers
3 million kilometers
4.) what is the term for light bouncing off an object?
incidence
removing
bending
reflection
5.) if the angle of incidence for a reflected image is 30 degrees, what is the angle of reflection?
30 degrees
60 degrees
150 degrees
240 degrees
6.) the moon's light comes from reflected sunlight.
true
false
7.) when you shine a flashlight at a mirror the ray of light that shines back at you is the ray of incidence.
true
false