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← Bihar Board Class 12 PYQ
Ray Optics and Optical Instruments
Bihar Board Class 12 · Physics · 73 past questions
Topic
Lenses, lens formula and combinations
19
Telescopes and general optics
13
Prism, dispersion and aberrations
10
Human eye and defects of vision
9
Total internal reflection and critical angle
8
Refraction and refractive index
7
Atmospheric optics and rainbow
5
Microscopes
2
Level
Easy
2
Moderate
0
Year
2026
1
2025
0
2024
0
2023
0
2022
0
2021
1
2019
0
2018
0
2017
0
2 of 73 ·
show all
Q6
2026 Set A
When the tube length of microscope is increased, its magnifying power
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Q44
2021 Set A
The image formed by simple microscope is
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