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Physics - Index of Refraction, Image

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#1-A prism with angles 45°, 45° and 90° is to be used to turn a beam of light through a 90° angle. What is the minimum index of refraction for the material of the prism that will give the total internal reflection needed?

#2- A tarantula of height 2.0cm is sitting in front of a spherical mirror with focal length │F│= 4.0cm. The tarantula sees an image of itself that has a height of 0.40cm and appears upright. Is the mirror concave or convex and what are the characteristics of the image?

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Solution Summary

The index of refraction is discussed with a prism at different angles.

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(1) Here, the critical angle required is C < 45 deg

sin C < sin 45

1/mu < 1/sqrt 2

mu > sqrt 2

The minimum index of ...

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