Question

answer this question fast please​

Answer 1

Answer:

angular momentum L = mvr where

m= mass of electron

v = velocity of electron

r = radius of electron

here your question is just a direct one....only need to substitute those values...and on solving you get 10.61* 10^(-28) and on approximation we can say 10^(-27)

Answer 2

Solution of your answer is...here....

Explanation:

be..happy...i think i has solved your doubt