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Physics - Modern Physics Question with Solution | TestHub

PhysicsModern PhysicsAtomic structureEasy2 minPYQ_2020

PhysicsEasysingle choice

The number of revolutions done by an electron in one second in the first orbit of a hydrogen atom is

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Answer:

Solution:

$υ_{1} (t) = n . (2 π r_{1}$ )

We know that $f r e q u e n c y = \frac{v e l o c i t y}{d i s t a n c e}$

$\frac{v_{1}}{2 π r_{1}} = \frac{2.18 \times 10^{6}}{2 π \times 0.529 \times 10^{- 10}}$

$= 6.57 \times 10^{15}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Modern PhysicsSubtopic:Atomic structure

⏱ 2mℹ️ Source: PYQ_2020

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