the absolute value of the critical value
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A: Threshold Wavelength λo = 3315 A.U. As 1 Angstrom unit (A.U.)= 10- 10 m Thus λo = 3315 × 10- 10 m
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Q: Photoelectric threshold wave-length of a certain metal is 3315 A.U. Then its work function is 6 x 10...
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