Question

In equation y = Acos(ot-kx), where t is time and
x is distance, dimensional formula of olk should be
(1) [LT-1)
(2) [L-'T]
(3) [L'T']
(4) [LºT)​

Answer 1

Answer:

ans. (1 )

Explanation:

dimensional formula of o/k should be = T∧-1/L∧-1 = LT∧-1

choose ans. (1 )