Question:medium
The maximum velocities of the photoelectrons ejected are \(v\) and \(2v\) for incident light of wavelength \(400\,nm\) and \(250\,nm\) respectively. The work function of the metal in terms of Planck’s constant \(h\) and velocity of light \(c\) is
The maximum velocities of the photoelectrons ejected are \(v\) and \(2v\) for incident light of wavelength \(400\,nm\) and \(250\,nm\) respectively. The work function of the metal in terms of Planck’s constant \(h\) and velocity of light \(c\) is
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Use two photoelectric equations and eliminate velocity terms.
Updated On: May 8, 2026
- \(hc \times 10^6\) J
- \(2hc \times 10^6\) J
- \(1.5hc \times 10^6\) J
- \(2.5hc \times 10^6\) J
- \(3hc \times 10^6\) J
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The Correct Option is C
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