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Olympiad workbook

Exam: Olympiad workbook
Subject: NSEP
Chapter: Dual Nature of Matter

Olympiad workbook · NSEP · Dual Nature of Matter

The photoelectric threshold wavelength of tungsten is 230 nm . The...

The photoelectric threshold wavelength of tungsten is 230 nm . The energy of electrons ejected from its surface by ultraviolet light of wavelength 180 nm is:

Options

A0.15 eV
B1.5 eV
C15 eV
D1.5 keV

Correct answer

B. 1.5 eV

Step-by-step solution

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