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Physics - Modern Physics Question with Solution | TestHub

PhysicsModern PhysicsDe Broglie & Matter WavesEasy2 minPYQ_2012

PhysicsEasysingle choice

If the momentum of an electron is changed by $p$ , then the de-Broglie wavelength associated with it changes by $0.5%$ . The initial momentum of electron will beNEET 2012 (Mains)

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Solution:

de-Broglie wavelength Here $λ \frac{Δ λ}{λ} \frac{0.5}{100} p_{i} p_{i} = \frac{h}{p} = \frac{Δ p}{p} = \frac{p}{p _{i}} = \frac{100}{0.5} p = 200 p$

Stream:NEETSubject:PhysicsTopic:Modern PhysicsSubtopic:De Broglie & Matter Waves

⏱ 2mℹ️ Source: PYQ_2012

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