11.Dual Nature of Radiation and matter
medium

एक $2.48\, eV$ ऊर्जा वाले फोटॉन की तरंगदैध्र्य लगभग  ............ $ \mathring A $ है

A$500$
B$5000$
C$2000$
D$1000 $

Solution

$E\,(eV) = \frac{{12375}}{{\lambda ({Å})}}$
$ \Rightarrow \,\,\lambda \, = \frac{{12375}}{{2.48}} = 4989.9\,{ \mathring A}\, \approx \,5000\,{ \mathring A}$
Standard 12
Physics

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