Ray Optics and Optical Instruments

Bihar Board Class 12 · Physics · 73 past questions

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1. Q2 2026 Set A2023 Set F2019

   Differentiate between primary and secondary rainbow.

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2. Q54 2019

   Deviation of a thin prism of refractive index n and angle of prism A is

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3. Q55 2019

   Which one of the following has maximum refractive index

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4. Q56 2019

   Equivalent focal length of two lenses in contact having power -15D and +5D will be

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5. Q57 2019

   Cylindrical lenses are used to correct the eye defect called

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6. Q58 2019

   A convex lens (n=1.5) is immersed in water (n=1.33), then it will behave as a

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7. Q59 2019

   The magnifying power of an astronomical telescope for normal adjustment is

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8. Q60 2019

   Two thin convex lens of power +5 and +4 diopter and placed co-axially at a distance 10 cm. Find the focal…

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9. Q61 2019

   Velocity of light in medium A is v and velocity of light in medium B in 2v. If refractive index of medium A…

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