Physics · Dual Nature of Matter and Radiation
From a metallic surface, photoelectric emission is observed for incident light frequencies v1 and v2 (where v1 > v2). The maximum values of the kinetic energy of the photoelectrons emitted in the two cases are in the ratio 1 : x. Hence, the threshold frequency of the metallic surface is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1x v2 - v1x - 1
- 2x v1 - v2x - 1✓
- 3v1 - v2x - 1
- 4v1 - v2x
Correct answer
x v1 - v2x - 1
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