It is necessary to illuminate the bottom of a well by reflected solar beam when the light is incident at an angle of α=40° to the vertical.At what angle β to the horizontal should a plane mirror be placed?

a) 50°

b) 40°

c) 70°

d) 20°

Question

It is necessary to illuminate the bottom of a well by reflected solar beam when the light is incident at an angle of α=40° to the vertical.At what angle β to the horizontal should a plane mirror be placed?

a) 50°

b) 40°

c) 70°

d) 20°

mayankdevnani · Answer

@experimentX    @Callisto    @robtobey    @.Sam.   @ANISH95    @ganeshie8    @Jack1   @jim_thompson5910     @whpalmer4

mayankdevnani · Answer

@e.mccormick   @primeralph     @Preetha    @dan815    @Jhannybean    @genius12

mayankdevnani · Answer

@hartnn

experimentx · Answer

could you draw a nice diagram instead?

primeralph · Answer

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