Dual Nature of Radiation and Matter

CBSE Class 12 · Physics · 33 past questions

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1. Q2 2026

   A proton and an alpha particle have equal momentum. The ratio of their kinetic energies (E_p/E_a) and de…

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2. Q4 2026

   A particle of mass M at rest splits up into two particles of masses $m_1$ and $m_2$ having non-zero…

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3. Q7 2026

   A researcher performs an experiment on photo-electric effect using two metals A and B with unknown work… (with a figure)

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4. Q10 2026

   Find ratio ($\lambda_a/\lambda_p$) of the de Broglie wavelength $\lambda_a$ and $\lambda_p$ associated…

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