Dual Nature of matter and Radiation Part 2

Section: Physics

Question : 7 of 100

Marks: +1, -0

A light wave described by E=60[sin‌(3×1015)t+sin‌(12×1015)t] (in SI units) falls on a metal surface of work function 2.8 eV . The maximum kinetic energy of ejected photoelectron is (approximately)
____ eV. (h=6.6×10−34J.s.. and e=1.6×10−19C)

[21 Jan 2026 Shift 1]

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