The value of Rydberg constant ( ( R_H)) is (2.18 × 10^ -18 ~J ). The velocity of electron having mass (9.1 × 10^ -31 ~kg ) in Bohr's first orbit of hydrogen atom = _______ ( × 10^5 ~ms^ -1 ) (nearest integer).

Correct answer: 0 aligned & V=2.18 × 10^6 × Z n & =21.8 × 10^5 × (1)/(1) 22 × 10^5 (nearest) aligned

JEE Main 20245 AprilMorning Shift

JEE Main 2024 · 5 April · Morning Shift · Chemistry · Structure of Atom

The value of Rydberg constant ( ( R_H)) is (2.18 × 10^ -18 ~J )....

The value of Rydberg constant (

\left(

R_H\right)) is (2.18

\times

10^{-18}

\mathrm{~J}

). The velocity of electron having mass (9.1

\times

10^{-31}

\mathrm{~kg}

) in Bohr's first orbit of hydrogen atom

=

_______ (

\times

10^5

\mathrm{~ms}^{-1}

) (nearest integer).

\begin{aligned} & \mathrm{V}=2.18 \times 10^6 \times \frac{\mathrm{Z}}{\mathrm{n}} \\ & =21.8 \times 10^5 \times \frac{1}{1} \approx 22 \times 10^5 \text{ (nearest) }\end{aligned}