Gujarati
11.Dual Nature of Radiation and matter
easy

फोटॉन की न्यूनतम तरंगदैध्र्य $5000 \mathring A$ है, तो इसकी ऊर्जा होगी

A$2.5 eV$
B$50 V$
C$5.48 eV$
D$7.48 eV$

Solution

$E = \frac{{12375}}{\lambda } = \frac{{12375}}{{5000}} = 2.47\,eV\, \approx \,2.5\,eV$
Standard 12
Physics

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