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PhysicsModern PhysicsAtomic structureHard2 minPYQ_2020

PhysicsHardsingle choice

A nucleus splits into two nuclear parts which have their velocity ratio equal to $2 : 1.$ What will be the ratio of their nuclear radius?

Options:

Answer:

Solution:

As momentum is conserved, therefore $\frac{m _{1}}{m _{2}} = \frac{A _{1}}{A _{2}} = \frac{v _{2}}{v _{1}} = \frac{1}{2}$ $∴ \frac{R _{1}}{R _{2}} = (\frac{A _{1}}{A _{2}})^{1/3} = (\frac{1}{2})^{1/3} = 1 : 2^{1/3}$

Stream:BITSATSubject:PhysicsTopic:Modern PhysicsSubtopic:Atomic structure

⏱ 2mℹ️ Source: PYQ_2020

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