Einstein's Equation: JEE Questions & Solutions
5 previous-year JEE Physics questions on Einstein's Equation, each with a worked step-by-step solution.
Previous-year questions
- 01
Light is incident on a metallic plate having work function 110 × 10⁻²⁰ J. If the produced photoelectrons have zero kinetic energy, then the…
MCQEasyJEE 2026 - 02
When a light of a given wavelength falls on a metallic surface the stopping potential for photoelectrons is 3.2 V. If a second light having…
MCQMediumJEE 2026 - 03
Two sources of light emit with a power of 200 W. The ratio of the number of photons of visible light emitted by each source having…
MCQEasyJEE 2024 - 04
The threshold frequency of metal is f₀. When the light of frequency 2f₀ is incident on the metal plate, the maximum velocity of…
MCQEasyJEE 2023 - 05
The work functions of Aluminium and Gold are 4.1 eV and 5.1 eV respectively. The ratio of the slope of the stopping potential versus…
MCQEasyJEE 2023
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