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Dual Nature of Radiation question

2020 · 7 Jan · Shift 2 · Q58

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JEE Main
Physics
Dual Nature of Radiation
2020 · 7 Jan · Shift 2 · Q58

Dual Nature of Radiation question

2020 · 7 Jan · Shift 2 · Q58

JEE MainPhysicsDual Nature of RadiationMCQ+4 / −1

An electron (of mass m) and a photon have the same energy E in the range of a few eV. The ratio of the de-Broglie wavelength associated with the electron and the wavelength of the photon is (c = speed of light in vaccuum)

A
${1 \over c}{\left( {{{2E} \over m}} \right)^{{1 \over 2}}}$
B
${1 \over c}{\left( {{E \over {2m}}} \right)^{{1 \over 2}}}$
C
${\left( {{E \over {2m}}} \right)^{{1 \over 2}}}$
D
$c{\left( {2mE} \right)^{{1 \over 2}}}$

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