Find the number of images formed with two mirrors when the angle between them is 40° and 180°
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number of images=360÷angle-1
=360÷40-1=8
when angle is 40 then 8 images will form
by the same formula
n=360÷a-1
=360÷180-1
=1
if angle is 180 then 1 image will form
this ans will help u
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