An electromagnetic wave of wavelength λ is incident on a photosensitive surface of negligible work function.…

1. $\lambda =\left(\frac{2 m}{hc}\right){\lambda }_d^2$
2. ${\lambda }_d=\left(\frac{2mc}{h}\right){\lambda }^2$
3. $\lambda =\left(\frac{2mc}{h}\right){\lambda }_d^2$
4. $\lambda =\left(\frac{2h}{mc}\right){{\lambda }_d}^2$

Solution

Asked in: NEET 2021

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