Ex. 55: Photoelectric threshold wave-length of à certain metal is 3315 A.U. Then its work function is (Oct. 2009) (a) (c) 6 × 10-1⁹ J 9 × 10-1⁹ J (b) 7.286 x 10-¹9 J (d) 9.945 × 10-19 J
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Q: Ex. 55: Photoelectric threshold wave-length of à certain metal is 3315 A.U. Then its work function…
A: To find-Work function (W0)=?Given-Threshold wavelength λ0=3315 A0…
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Q: Ex. 55: Photoelectric threshold wave-length of à certain metal is 3315 A.U. Then its work function…
A: The work function is-W0=hv0=hcλ0W0=6.63×10-34×3×1083315×10-10W0=2×3×10-19W0=6×10-19 J
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