Dual Nature of Radiation & Matter — Advanced + PYQ Patterns (50 Questions)

Practice 100 questions on Dual Nature of Radiation & Matter — Advanced + PYQ Patterns (50 Questions). Includes: [NEET 2021 Pattern] Which of the following correctly…; For metal A: V₀ = 4 V at ν = 10¹⁵ Hz. For metal B: V₀…; [NEET 2019 Pattern] In a photoelectric experiment, the…. Free quiz on NoteTube.

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1.
[NEET 2019 Pattern] In a photoelectric experiment, the frequency is kept constant and intensity is doubled. Mark the INCORRECT statement:
2.
[NEET 2021 Pattern] Which of the following correctly orders electrons, protons, and alpha particles (all at same accelerating potential V) by de Broglie wavelength (shortest to longest)?
3.
**Assertion (A):** The de Broglie wavelength of a particle decreases as its kinetic energy increases. **Reason (R):** λ = h/√(2mKE), so λ decreases as KE increases.
4.
A proton and a deuteron (m_d = 2m_p, q_d = e) have the same kinetic energy. The ratio λ_proton/λ_deuteron is:
5.
**Assertion (A):** In Compton scattering, the wavelength of scattered X-ray photon is greater than the incident photon. **Reason (R):** The photon loses energy (and hence momentum) to the electron, increasing its wavelength since E = hc/λ.

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