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← Bihar Board Class 12 PYQ
Ray Optics and Optical Instruments
Bihar Board Class 12 · Physics · 73 past questions
Topic
Refraction and refractive index
2
Atmospheric optics and rainbow
1
Human eye and defects of vision
1
Prism, dispersion and aberrations
1
Telescopes and general optics
1
Lenses, lens formula and combinations
0
Microscopes
0
Total internal reflection and critical angle
0
Level
Easy
6
Moderate
3
Year
2026
7
2025
7
2024
8
2023
7
2022
13
2021
10
2019
6
2018
5
2017
4
6 of 73 ·
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Q2
2026 Set A
2023 Set F
2019
Differentiate between primary and secondary rainbow.
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Q54
2019
Deviation of a thin prism of refractive index n and angle of prism A is
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Q55
2019
Which one of the following has maximum refractive index
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Q57
2019
Cylindrical lenses are used to correct the eye defect called
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Q59
2019
The magnifying power of an astronomical telescope for normal adjustment is
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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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