Physics, asked by awanfateh13, 1 day ago

One second is equal to the duration in which the outermost electron of the _______atom makes 91,91,631,770 vibrations .
a.Kr-86
b.Cs-133
c.U-235
d.N-14

Answers

Answered by swetanjali103

1

Answer:

d.N -14. is the answer ok

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