Question

The photoelectric threshold wavelength of silver is 3250 ×
10⁻¹⁰m. The velocity of the electron ejected from a silver
surface by ultraviolet light of wavelength 2536 × 10⁻¹⁰ m is
(Given h = 4.14 × 10⁻¹⁵ eVs and c = 3 × 10⁸ ms⁻¹) [2017]
(a) ≈ 0.6 × 10⁶ ms⁻¹
(b) ≈ 61 × 10³ ms⁻¹
(c) ≈ 0.3 × 10⁶ ms⁻¹
(d) ≈ 6 × 10⁵ ms⁻¹

Answer 1

Answer:

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Answer 2

Answer:

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Explanation:

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