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← Bihar Board Class 12 PYQ
Dual Nature of Radiation and Matter
Bihar Board Class 12 · Physics · 25 past questions
Topic
Photon properties and energy
8
Photoelectric effect
5
Electron, cathode rays and X-rays
4
Matter waves and de Broglie wavelength
4
Photoelectric calculations
2
Mass-energy relation
1
Photocell
1
Level
Easy
3
Moderate
1
Year
2026
1
2025
1
2024
1
2023
0
2022
0
2021
0
2019
0
2018
1
2017
0
4 of 25 ·
show all
Q2
2026 Set A
The ratio of de Broglie wavelength associated with two electrons accelerated through 49 V and 64 V is
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Q8
2025 Set D
The wavelength of de Broglie wave associated with any moving particle does not depend on
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Q13
2024 Set A
de Broglie wavelength is
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Q22
2018
A particle of mass m and charge q is accelerated through a potential V. The De-Broglie wave length of theā¦
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