24)What colors are reflected from a red and green sweater?What colors are absorbed?
25)An archerfish spits waterdrop's to knock down insects that are close to the water.Suppose the fish aimed in the direction in which it sees the insect.Explain why the waterdrop would miss the target.
26)Ellen owns a pair of polarizing sunglasses with round lenses.One lens popped out,and she put it back into place.What can she do to check whether or not the polarized lenses are lined up properly?
27)The bulb in a flashlight is placed in front of a curved,shiny surface.How does this produce a narrow beam of light.<br class="Apple-interchange-newline">
