Threshold Wavelength to Work Function (Jee Mains) | ExamDuo
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Photoelectric Effect
Medium
Threshold Wavelength to Work Function
The threshold wavelength of a certain metal is 6600 A°. The photoelectric work function for the metal will be
(h = 6.6 × 10⁻³⁴ J-sec, c = 3 × 10⁸ m/s)
SELECT ONE OPTION
A
14 × 10⁻¹⁹ J
B
2 × 10⁻¹⁹ J
C
3 × 10⁻¹⁹ J
D
4 × 10⁻¹⁹ J
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