DEFINITION OF SECONDS | PHYSICS | CLASS 11 PHYSICS | TIME

Hi guys, In this video i am discussing about the most confusing and incomplete definition of second, a unit of time in an easy and precise manner so without wasting any time let's jump into it.

SCRIPT:

Hi guys, Today we are discussing about the definition of second, so without wasting anytime, let's get into it

A second is the duration of 9192631770 period of radiation corresponding to the transition b/w two hyperfine level of ground state of caseium-133 atom.

That's all folks

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