Question

1 [M°L°T°) are dimension of
A. strain B. refractive index
C. magnification
D. All of these​

Answer 1

B refractive index

Explanation:

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Answer 2

Answer:

HOLA THERE!! HERE IS YOUR ANSWER/////-----

Explanation:

  WE KNOW;-

            strain = change in length / original length [∴ it's dimesionless[L]/[L] ]

           refractive index = velocity( of light) in medium 1 / velocity(of light) in medium 2                                                        [∴ it's dimesionless[LT-1]/[LT-1] ]

           magnification = height of image / height of object

                                                                           [∴ it's dimesionless[L]/[L] ]

so all of the options are correct..

THE CORRECT OPTION IS D.ALL OF THE ABOVE

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