Physics · 2023
JEE Main · 13 April 2023, Shift 2 · Q47
Given below are two statements: Statement I: Out of microwaves, infrared rays and ultraviolet rays, ultraviolet rays are the most effective for the…
Given below are two statements:
Statement I : Out of microwaves, infrared rays and ultraviolet rays, ultraviolet rays are the most effective for the emission of electrons from a metallic surface.Statement II : Above the threshold frequency, the maximum kinetic energy of photoelectrons is inversely proportional to the frequency of the incident light.In the light of above statements, choose the correct answer form the options given below
Official answer
From NTA’s final answer key for this paper.
(3)
Statement I is true but statement II is false
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.