Calculate maximum kinetic energy of photoelectrons from given wavelength or frequency and work function

CBSE Class 12 · Physics · Dual Nature of Radiation and Matter · similar questions asked in 2 years (2023, 2026)

1. Q1 2023 1 mark

   Light of frequency $6{\cdot}4 \times 10^{14}$ Hz is incident on a metal of work function $2{\cdot}14$ eV. The…

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2. Q2 2026 1 mark

   Radiation of wavelength 200 nm is incident on a photosensitive surface of work function 4·2 eV. The kinetic…

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