207 JEE Main Dual Nature of Matter PYQs (2002–2026) with verified answers and step-by-step solutions.
This page collects every JEE Main Dual Nature of Matter previous-year question from Physics, 2002–2026. Each links to a full solution with a verified answer key. Click any year above to narrow the list, or open a question to study its step-by-step working and then practice it on PrepSharp's CBT player.
The ratio of de Broglie wavelength of a deutron with kinetic energy E to that of an alpha particle with kinetic energy…
When a light of a given wavelength falls on a metallic surface the stopping potential for photoelectrons is 3.2 V. If a…
Light is incident on a metallic plate having work function 110 × 10⁻²⁰ ~J. If the produced photoelectrons have zero kin…
The graph shows variation of stopping potential Vo with the frequency ν of the incident radiation for three photosensit…
The de Broglie wavelength for an electron accelerated through the potential difference of V₁ volt is λ₁. When the poten…
A particle having electric charge 3 × 10⁻¹⁹ C and mass 6 × 10⁻²⁷ ~kg is accelerated by applying an electric potential o…
An electron of mass m is moving in an electric field E = -2E₀i (E₀ = constant > 0), with an initial velocity V = v₀i (v…
The de Broglie wavelength associated with an electron accelerated through a potential difference V is and the de Brogli…
A light wave described by E=60 [ (3 × 10¹⁵ ) t+ (12 × 10¹⁵ ) t ] (in SI units) falls on a metal surface of work functio…
Match the LIST-I with LIST-II List-I List-II A. Planck's constant I. ML²T⁻² B. Stopping potential II. T⁻¹ C. Work funct…
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