physics final
what causes light to refract when it enters a lens? what happens to the speed of light?
Lenses serve to refract light at each boundary. As a ray of light enters a lens, it is refracted; and as the same ray of light exits the lens, it is refracted again.
the use of fiberglass insulation is the outer walls of the building is intended to minimize heat transfer through what process?
conduction
energy transferred as heat always moves from an object
high temp to low temp
which way does heat energy flow?
hot to cold
destructive interference
is a type of interference that occurs at any location along the medium where the two interfering waves have a displacement in the opposite direction.
constructive interference
is a type of interference that occurs at any location along the medium where the two interfering waves have a displacement in the same direction
explain what happens when two waves interfere w each other
is the phenomenon that occurs when two waves meet while traveling along the same medium.
all of the following are widely used temperature scales except
joules
3 primary colors of light
red green blue
like charges __ repel and opposite charges __
repel, attract
on a sunny day at the beach, the reason the sand gets so hot and the water stays relatively cool is attributed to the difference in which property between water and sand?
specific heat
as two charges are put closer together, what happens to the force between them?
the force between the charges get stronger
can electromagnetic waves travel in a vacuum? why or why not?
they can because they do not require a medium
electromagnetic waves travel as transverse or longitudinal
transverse