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In the relation `( dy)/( dt) = 2 omega sin ( omega t + phi_(0))`, the dimensional formula for ` omega t + phi_(0)` is
A. `MLT`
B. `MLT^(0)`
C. `ML^(0) T^(0)`
D. `M^(0) L^(0) T^(0)`

1 Answer

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Best answer
Correct Answer - D
Here `( omega t + phi_(0))` is dimensionless because it is argument of a trigonometric function.

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