What wavelength of light is shining on a metal with work function ?=2.8??, if the stopping potential for the photocurrent (ejected electrons) is 5??
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A: To find-λ0=?(K.E.)max=?Given-ϕ0=4.2 eV=4.2×1.6×10-19 JVs=3 Vc=3×108 m/sh=6.63×10-34 Jse=1.6×10-19 C
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Q: Ex. 55: Photoelectric threshold wave-length of à certain metal is 3315 A.U. Then its work function…
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A: Wavelength of light λ = 2.8×10-7 m Stopping potential Vo = 0.7 V Detachment energy W = ?
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What wavelength of light is shining on a metal with work function ?=2.8??, if the stopping potential for the photocurrent (ejected electrons) is 5??
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