For a certain optical medium the speed of light varies from a low value of 1.90...

 

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For a certain optical medium the speed of light varies from a low value of 1.90 x 108 m/s for violet light to a high value of 2.00 × 108 m/s for red light. (a) Calculate the range of the index of refraction of the material for visible light. (b) A white light is incident on the medium from air, making an angle of 30.0 with the normal. Compare the angles of refraction for violet light and red light. (c) Repeat the previous part when the incident angle is 60.0°. For a certain optical medium the speed of light varies from a low value of 1.90 x 108 m/s for violet light to a high value of 2.00 × 108 m/s for red light. (a) Calculate the range of the index of refraction of the material for visible light. (b) A white light is incident on the medium from air, making an angle of 30.0 with the normal. Compare the angles of refraction for violet light and red light. (c) Repeat the previous part when the incident angle is 60.0°.