A particle moving with a velocity of $\frac{1}{{100}}{\rm{th}}$ of that of light will cross a nucleus on about

$6\,\, \times \,\,{10^{ - 15}}\,\,{\rm{s}}$

JEE PHYSICS MCQ: ATOMS

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A particle moving with a velocity of

\frac{1}{{100}}\mathrm{th}

of that of light will cross a nucleus on about

View answer and explanation

Correct option: D

{10^{ - 20}}\,\,\mathrm{s}

Option D (

{10^{ - 20}}\,\,\mathrm{s}

) is correct because the time is calculated by dividing the nuclear distance by the particle's velocity.

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n

=2

{n}=1

\lambda_0

\lambda_0

{R_H} = 1.097\,\, \times \,\,{10^7}\,\,m