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When light enters glass from vacuum, then the wavelength of light

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Important Questions on Ray Optics

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 22 - Ray Optics>MHT-CET 2019>Q 2
The critical angle for light going from medium x to medium y is θ . The speed of light in medium x is vx . The speed of light in medium y is
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 22 - Ray Optics>MHT-CET 2020 (13-Oct Shift 1)>Q 3
A glass slab of thickness 4 cm contains the same number of waves as in x cm of water column when both are traversed by the same monochromatic light. If the refractive indices of glass and water for that light are 53 and 43 respectively, the value of x will be
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 22 - Ray Optics>MHT-CET 2019>Q 4
A convex lens of focal length f is placed in contact with a concave lens of the same focal length. The equivalent focal length of the combination is
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 22 - Ray Optics>MHT-CET 2018>Q 5
The angle made by incident ray of light with the reflecting surface is called
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 22 - Ray Optics>MHT-CET 2018>Q 6
A ray of light is incident normally on a glass slab of thickness 5 cm and refractive index 1.6. The time taken to travel by a ray from source to surface of the slab is the same as to travel through glass slab. The distance of the source from the surface is
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 22 - Ray Optics>MHT-CET 2017>Q 7
When the same monochromatic ray of light travels through glass slab and through water, the number of waves in glass slab of thickness 6 cm is same as in water column of height 7 cm. If refractive index of glass is 1.5 then refractive index of water is
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 22 - Ray Optics>MHT-CET 2020 (12-Oct Shift-1)>Q 8
A thin prism P1 with angle 4° and made from glass of refractive index 1.54 is combined with another thin prism P2 made from glass of refractive index 1.72 to produce dispersion without deviation. The angle of prism for P2 is
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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 22 - Ray Optics>MHT-CET 2020 (13-Oct Shift 1)>Q 9
The refractive index of glass is 32 and that of water is 43. The critical angle for a ray of light going from glass to water is