Question

The threshold frequency for photoelectric effect on sodium corresponds to a wavelength of 5000 Å. Its work function is(a) 4 × 10⁻¹⁹ J(b) 1 J(c) 2 × 10⁻¹⁹ J(d) 3 × 10⁻¹⁹ J

Answer 1

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Option : 1)

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The threshold frequency for photoelectric effect on sodium corresponds to a wavelength of 5000 Å. Its work function is(a) 4 × 10⁻¹⁹ J

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