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The net angular dispersion produced without deviation for crown glass (μ=1.56) and flint glass (μ=1.7) is,

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Important Questions on Ray Optics

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Physics Crash Course MHT-CET>Chapter 19 - Ray Optics>Exercise 1>Q 239
The refractive index of glass is 1.520 for red light and 1.525 for blue light. Let δr and δb be the angle of minimum deviation for red and blue light respectively in a prism of thin glass, then
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Physics Crash Course MHT-CET>Chapter 19 - Ray Optics>Exercise 1>Q 240
The angular dispersion produced by a prism of angle 5° is μv=1.665, μr=1.645,
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Physics Crash Course MHT-CET>Chapter 19 - Ray Optics>Exercise 1>Q 241
The dispersive power (ω) of the material of prism is given by,
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Physics Crash Course MHT-CET>Chapter 19 - Ray Optics>Exercise 1>Q 242
The refractive index of the prism for violet colour is 1.7 and that for red is 1.65. Then dispersive power of the material of prism is,
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Physics Crash Course MHT-CET>Chapter 19 - Ray Optics>Exercise 1>Q 243
The net angular dispersion without deviation is equal to,
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Physics Crash Course MHT-CET>Chapter 19 - Ray Optics>Exercise 1>Q 246
A thin prism P1 with refracting angle 4° and made from glass of refractive index 1.54 is combined with another prism P2 made from glass of refractive index 1.72, with vertex opposite to P1 to produce dispersion without deviation. The angle of prism P2 is,
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Physics Crash Course MHT-CET>Chapter 19 - Ray Optics>Exercise 1>Q 247
Which of the following is the correct statement?
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Physics Crash Course MHT-CET>Chapter 19 - Ray Optics>Exercise 1>Q 248

A,B,C in the diagram represent rays of light incident upon a face of a right-angled prism. Before emerging from the prism, which ray (or rays) will experience total internal reflection?

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