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shreyaarya (94)

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Olaaa!! Perrrfect answer. 18  [20 rates]

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sunlight enters aroom at an angle of 32(deg) above the horizontal and is reflected from a plane mirror lying flat on the ground to form a spot on a wall 2.00 m behind the mirror(distance measured from the pt. of incidence).now if a pencil is placed under the edge of the mirror nearer 2 the wall ,tilting the mirror upwards by an angle 5(deg) find how higher the spot of light is formed.


Ans:26 cm(as given)


    
 

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