Q1 of 123 Page 410

Is the formula “Real depth/Apparent depth= μ” valid if viewed from a position quite away from a position quite away from the normal?

We know that the formula, is valid when, . Now, as we know, is the only case, when this happens. So, the formula isn’t valid in that case.


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2

Can you ever have a situation in which a light ray goes un-deviated through a prism?

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Why does a diamond shine more than a glass piece cut to the same shape?

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A narrow beam of light passes through a slab obliquely and is then received by an eye9figure 18-Q1). The index of refraction of the material in the slab fluctuates slowly with time. How will it appear to the eye? The twinkling of stars has a similar explanation.


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Can a plane mirror ever form a real image?