An electron of mass m and a photon have same energy E . The ratio of wavelength of electron to that of…

1. $\frac{1}{c}{\left(\frac{2m}{E}\right)}^{\frac{1}{2}}$
2. $\frac{1}{c}{\left(\frac{E}{2m}\right)}^{\frac{1}{2}}$
3. ${\left(\frac{E}{2 m}\right)}^{\frac{1}{2}}$
4. $c(2mE{)}^{\frac{1}{2}}$

Solution

Asked in: JEE Main 2021 (17 Mar Shift 1)

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