THe length of a vertical stick at the surface of a lake appears 12 cm to a fish under water. If refractive index of water is 4/3 , then what is the actual length of the stick above water surface ?
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34
Refractive index of water= real length of stick/ apparent length of stick
4/3= Real length / 12
real length of stick =4x 12/3
=16cm
∴Real length of stick is 16cm
4/3= Real length / 12
real length of stick =4x 12/3
=16cm
∴Real length of stick is 16cm
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10
Answer:
Explanation:
The answer I get is 16 but correct answer is 9
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