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Physics
Physics
Problem
A torch is kept
50
cm
50\,\text{cm}
50
cm
in front of a plane mirror so that its light strikes the mirror normally. What total distance does a photon from the torch travel before returning to the torch? a)
1.50
m
1.50\,\text{m}
1.50
m
b)
0.50
m
0.50\,\text{m}
0.50
m
c)
1.00
m
1.00\,\text{m}
1.00
m
d)
2.00
m
2.00\,\text{m}
2.00
m
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