Physics · 2025
JEE Main · 3 April 2025, Shift 1 · Q43
The work function of a metal is 3 eV. The color of the visible light that is required to cause emission of photoelectrons is
The work function of a metal is $\displaystyle 3$ eV . The color of the visible light that is required to cause emission of photoelectrons is
Official answer
From NTA’s final answer key for this paper.
(4)
Blue
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JEE Main 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.