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Q.

Dimensional formula for refractive index is

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a

$ML T^{- 1}$

b

$M^{0} L^{0} T^{0}$

c

$M^{0} L^{0} T$

d

${ML}^{0} T^{0}$

answer is B.

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Detailed Solution

Refractive index is dimension less,

So the dimensional formula is given by $[M^{0} L^{0} T^{0}]$ .

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Dimensional formula for refractive index is