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Question
A ray of light in water (index n1) is incident on its surface (with air) at the critical angle. Some oil (index n2) is now floated on the water. The angle between the ray in the oil and the normal is:
A) sin-1(1.00)
B) sin-1(1/n1)
C) sin-1(1/n2)
D) sin-1(n1/n2)
E) sin-1(n2/n1)
Answer
This answer is hidden. It contains 1 characters.
Related questions
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Q:
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For a controlled nuclear fusion reaction, one needs:
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Q:
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Q:
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Q:
Radioactive polonium, 214Po (Z= 84), decays by alpha emission to:
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Q:
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