JEE PHYSICS MCQ: UNITS & MEASUREMENTS

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Analyzing +4 | -1

In the relation

x = \cos \left( {\omega t + kx} \right)

, the dimension(s) of

\omega

is/are

View answer and explanation

Correct option: C

\left[ {{M^0}{L^0}{T^{ - 1}}} \right]

Option C ([M⁰L⁰T⁻¹]) is correct because the argument of the cosine function must be dimensionless, allowing us to determine the dimension of ω.

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