Question

question number 25 tell me
CLASS 10th​

Answer 1

x is the refractive index here

x of glass w.r.t. air=1.65=x1

x of alcohol w.r.t. air=1.36=x2

now , x of glass w.r.t. alcohol is = x1/x2

= 1.65/1.36 = 1.21 will be the ans.

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