An electron has a mass of `9.1 xx 10^(-31)kg`. It revolves round the nucleus in a circular orbit of radius `0.529 xx 10^(-10)` metre at a speed of `2.2 xx 10^(6) m//s`. The magnitude of its linear momentum in this motion isA. `1.1 xx 10^(-34) kg - m//s`B. `2.0 xx 10^(-24) kg - m//s`C. `4.0 xx 10^(-24) kg - m//s`D. `4.0 xx 10^(-31) kg - m//s`

An electron has a mass of `9.1 xx 10^(-31)kg`. It revolves round the n

1.	An electron has a mass of `9.1 xx 10^(-31)kg`. It revolves round the nucleus in a circular orbit of radius `0.529 xx 10^(-10)` metre at a speed of `2.2 xx 10^(6) m//s`. The magnitude of its linear momentum in this motion isA. `1.1 xx 10^(-34) kg - m//s`B. `2.0 xx 10^(-24) kg - m//s`C. `4.0 xx 10^(-24) kg - m//s`D. `4.0 xx 10^(-31) kg - m//s`
Answer» Correct Answer - B

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