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In a photoelectric experiment for $4000 Å$ incident radiation, the potential difference to stop the ejection is $2 \mathrm{~V}$. If the incident light is changed to $3000 Å$, then the potential required to stop the ejection of electrons will be
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Greater than $2 \mathrm{~V}$
Greater than $2 \mathrm{~V}$
According to Einstein's photoelectric equation
$V_0=\frac{h c}{e}\left[\frac{1}{\lambda}-\frac{1}{\lambda_0}\right]$
Hence if $\lambda$ decreases $V_0$ increases
According to Einstein's photoelectric equation
$V_0=\frac{h c}{e}\left[\frac{1}{\lambda}-\frac{1}{\lambda_0}\right]$
Hence if $\lambda$ decreases $V_0$ increases
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