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← Bihar Board Class 12 PYQ
Wave Optics
Bihar Board Class 12 · Physics · 28 past questions
Topic
Interference of light
2
Polarisation of light
2
Diffraction of light
1
Huygens' principle and wavefronts
1
Young's double slit and fringe width
1
Optical phenomena, scattering and dispersion
0
Level
Easy
6
Moderate
1
Year
2026
6
2025
4
2024
2
2023
7
2022
2
2021
1
2019
3
2018
3
2017
2
7 of 28 ·
show all
Q13
2023 Set F
The concept of secondary wavelets was given by
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Q14
2023 Set F
The width of diffraction fringes is .......... to the width of interference fringes.
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Q15
2023 Set F
When the distance between source of light and screen is increased, then fringe width
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Q16
2023 Set F
Light is a transverse wave because it shows
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Q17
2023 Set F
The value of maximum amplitude produced due to interference of two waves given by $Y_1 = 4\sin\omega t$ and…
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Q18
2023 Set F
The reason for the phenomenon of interference is
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Q19
2023 Set F
Which is used to produce polarised light?
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