A beam of light of wavelength $λ$ and with illumination L falls on a clean surface of sodium. If N photoelectrons are emitted each with kinetic energy E, then

$N \propto L a n d E \propto L$

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$N \propto L a n d E \propto \frac{1}{λ}$

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$N \propto λ a n d E \propto L$

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$N \propto \frac{1}{λ} a n d E \propto \frac{1}{L}$

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Solution

The correct option is B
$N \propto L a n d E \propto \frac{1}{λ}$

Number of photons emitted is proportional to the intensity. Also $\frac{h c}{λ} = W_{0} + E$

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A beam of light of wavelength λ and with illumination L falls on a clean surface of sodium. If N photoelectrons are emitted each with kinetic energy E, then

The correct option is B N∝L and E∝1λ Number of photons emitted is proportional to the intensity. Also hcλ=W0+E

A beam of light of wavelength $λ$ and with illumination L falls on a clean surface of sodium. If N photoelectrons are emitted each with kinetic energy E, then

The correct option is B
$N \propto L a n d E \propto \frac{1}{λ}$

Number of photons emitted is proportional to the intensity. Also $\frac{h c}{λ} = W_{0} + E$