science 8 chapter 2 section 1 Flashcards
light passing into a new medium will
refract
change speed
change direction
air is_______ then water
lighter
water is______ then air
denser
if light enters a denser medium it will…. 2 answers
slow down
bend towards normal
if light enters a less dense medium it will….. 2 answers
speed up
bends away from the normal
in order to provide a clear reflection the surface of an object must be….
smooth
white paper does not provide a clear reflection because its…..
scratchy
the incoming ray of a reflection diagram is….
the incident ray
the ray after the incoming ray is called the….
reflected ray
what is the place where the incident ray hits…
the normal
which lens has a focal point concave or convex….
convex
what are three uses for a concave mirrror
spotlights flashlightd and lighthouses
what are two uses for a convex mirror
security mirrors and traffic mirrors
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a transparent material______ light watves
transmits