21 JEE Main 2022 Dual Nature of Matter previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2022 previous-year questions from the Dual Nature of Matter chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Dual Nature of Matter chapter hub.
The de Broglie wavelengths for an electron and a photon are λ e and λ p respectively. For the same kinetic en…
When light of frequency twice the threshold frequency is incident on the metal plate, the maximum velocity of emitted e…
Two streams of photons, possessing energies to five and ten times the work function of metal are incident on the metal…
An α particle and a carbon 12 atom has same kinetic energy K . The ratio of their de-Broglie wavelengths λ &#…
The stopping potential for photoelectrons emitted from a surface illuminated by light of wavelength 6630 Å is 0 .…
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : The…
Given below are two statements : Statement I : Davisson-Germer experiment establishes the wave nature of electrons. Sta…
With reference to the observations in photo-electric effect, identify the correct statements from below: A. The square…
An electron (mass m ) with an initial velocity v → = v 0 i ^ v 0 > 0 is moving in an electric field E →…
The electric field at a point associated with a light wave is given by E = 200 sin 6 × 10 15 t + sin 9 × 10 1…
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