Dual Nature of Radiation and Matter

CBSE Class 12 · Physics · 33 past questions

10 of 33 · show all

Q18 2024

Which one of the following is the correct graph between the maximum kinetic energy ($K_m$) of the emitted… (with a figure)
Q19 2024

Questions number 13 to 16 are Assertion (A) and Reason (R) type questions. Two statements are given — one…
Q20 2024

The minimum intensity of white light that our eyes can perceive is about $0.1\ \text{nWm}^{-2}$. Calculate…
Q21 2024

Two beams, A and B whose photon energies are 3.3 eV and 11.3 eV respectively, illuminate a metallic surface…
Q22 2024

The waves associated with a moving electron and a moving proton have the same wavelength $\lambda$. It…
Q23 2024

Questions number 13 to 16 are Assertion (A) and Reason (R) type questions. Two statements are given — one…
Q24 2024

Consider a neutron (mass $m$) of kinetic energy $E$ and a photon of the same energy. Let $\lambda_n$ and…
Q25 2024

The work function for a photosensitive surface is 3·315 eV. The cut-off wavelength for photoemission of…
Q26 2024

Questions number 13 to 16 are Assertion (A) and Reason (R) type questions. Two statements are given — one…
Q27 2024

de Broglie wavelength λ as a function of $\frac{1}{\sqrt{K}}$, for two particles of masses m₁ and m₂ are… (with a figure)