Question

what is sec in physics??

Answer 1

Hey there !

The second (abbreviation, s or sec) is the Standard International ( SI ) unit of time. ... It is the time required for an electromagnetic field to propagate 299,792,458 meters (2.99792458 x 10 8 m) through a vacuum. This figure is sometimes rounded to 3.00 x 10 8 m, or 300,000 kilometers (3.00 x 10 5 km).

Hope it helps you !

Answer 2

Sec is a smallest unit of time