1.which of the following is the best example of refraction?
A.human ayes B.metallic windows
C.frosted glass D.tissue paper
2.which is NOT belong to the type of light transmission?
A.transparent B.translucent
C.opaque D.absorption
3.frosted glass, butter paper, tissue paper, wax paper are examples of translucent materials, which is the best to addd?
A,clear glass B.sautéed onion C.stone D.wood