Physics And Measurement Question 309

Question: One second is equal to

[MNR 1986]

Options:

A) 1650763.73 time periods of Kr clock

B) 652189.63 time periods of Kr clock

C) 1650763.73 time periods of Cs clock

D) 9192631770 time periods of Cs clock

Show Answer

Answer:

Correct Answer: D

Solution:

It is by standard definition.



NCERT Chapter Video Solution

Dual Pane