The wavelengths of electron waves in two orbits is \( 3: 5 \). The ratio of kinetic energy of el...

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The wavelengths of electron waves in two orbits is \( 3: 5 \). The ratio of kinetic energy of electrons will be:
(a) \( 25: 9 \)
(b) \( 5: 3 \)
(c) \( 9: 25 \)
(d) \( 3: 5 \)
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