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Dual Nature of Radiation and Matter question

2017 · Q140
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Dual Nature of Radiation and Matter question

2017 · Q140

NEETPhysicsDual Nature of Radiation and MatterMultiple correct+4 / −1
The photoelectric threshold wavelength of silver is 3250 ×\times× 10−-−10 m. The velocity of the electron ejected from a silver surface by ultraviolet light of wavelength 2536 ×\times× 10−-−10 m is
{Given h = 4.14 ×\times× 10−-−15 eV s and c = 3 ×\times× 108 m s−-−1 ]
  1. A
    ≈\approx≈ 0.6 ×\times× 106 m s−-−1
  2. B
    ≈\approx≈ 61 ×\times× 103 m s−-−1
  3. C
    ≈\approx≈ 0.3 ×\times× 106 m s−-−1
  4. D
    ≈\approx≈ 6 ×\times× 105 m s−-−1
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