Height of shadow
Classical Mechanics
Level
3
What is the length of the shadow in metre if h=10 m?
5
Infinite
None of these
15
25
30
10
0
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1 solution
The answer is 20m, in general 2h. Draw 2 rays, one from top of object to mirror and one from mirror to top of object. Shadow is in the patch of these two on the screen.