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Question Bank [ 2022 ] — Physics STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 SciencePhysicsQuestion Bank [ 2022 ]1 Mark
MCQ
When an electron jumps from a higher energy orbit to a lower energy orbit, the difference in the energies in the two orbits is radiated as quantum (photon) of
  • A
    $E =m c ^2$
  • B
    $E =\frac{ h }{ v }$
  • ✓
    $E =\frac{ hc }{\lambda}$
  • D
    $E =\frac{\lambda}{ hc }$
✓

Answer

Correct option: C.
$E =\frac{ hc }{\lambda}$
When an electron jumps from a higher energy orbit to a lower energy orbit, the difference in the energies in the two orbits is radiated as quantum (photon) of $E =\frac{ hc }{\lambda}$.

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