xprolife Posted March 22, 2012 Share Posted March 22, 2012 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"> Link to comment Share on other sites More sharing options...
Fuzzwood Posted March 22, 2012 Share Posted March 22, 2012 Homework Help Rules A simple reminder to all: this is the "Homework Help" forum, not the "Homework Answers" forum. We will not do your work for you, only point you in the right direction. Posts that do give the answers may be removed. Link to comment Share on other sites More sharing options...
ewmon Posted April 1, 2012 Share Posted April 1, 2012 24) What do you mean by a red and green sweater? Link to comment Share on other sites More sharing options...
the asinine cretin Posted April 1, 2012 Share Posted April 1, 2012 (edited) Here are some clues. 24) Reflection and Absorption 25 & 27) The Reflection and Refraction of Light 26) FWIW: Brewster's Angle You must have an appropriate textbook or lecture notes, no? Edited April 1, 2012 by the asinine cretin Link to comment Share on other sites More sharing options...
rktpro Posted April 1, 2012 Share Posted April 1, 2012 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"> Where you got that from? Link to comment Share on other sites More sharing options...
Fuzzwood Posted April 2, 2012 Share Posted April 2, 2012 Where you got that from? It's called a reflector. Its operation is the reverse of how dish antennae work. Link to comment Share on other sites More sharing options...
rktpro Posted April 3, 2012 Share Posted April 3, 2012 It's called a reflector. Its operation is the reverse of how dish antennae work. I was asking about the text in bold in the quote box-<br class="Apple-interchange-newline"> Link to comment Share on other sites More sharing options...
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