Q. 134.1( 13 Votes )

On the basis of d A. y = a sin 2 / πt T

B. y = a sin vt.

C. y = sin ()

D. y = a2 (sin – cos )

Answer :

Dimensional formula of displacement =

From study of dimensional analysis we know that,

Numbers have no dimension.

Trigonoetric functions are dimensionless.

Constants are dimensionless.

According to above rules

Dimension of

Dimension of

Dimension of

Dimension of

So, only option is C that doesn’t have dimension that of displacement.

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