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An electron has a mass of 9.1×10^-31 kg ...

An electron has a mass of `9.1×10^-31` `kg` . It revolves round the nucleus in a circular orbit of radius `0.529×10^-10` `metre` at a speed of `2.2 ×10^6` m/s. The magnitude of its linear momentum in this motion is

A

`1 × 10^-34` kg-m/s

B

`2.0 × 10^-24` kg-m/s

C

`4.0 × 10^-24` kg-m/s

D

`4.0 × 10^-31` kg-m/s

Text Solution

Verified by Experts

The correct Answer is:
B
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