Statement I: Fringe width depends upon refractive index of the medium. Statement II: Refractive index changes optical path of ray of light forming fringe pattern.A. Statement-I is true and Statement-II is true and Statement-II is the correct explanation of Statement-I.B. Statement-I asnd Statement-II are true but Statement-II is not the correct explanation of Statement-IC. Statement-I is true, Statement-II is falseD. Statement-I is false, Statement-II is true.

Statement I: Fringe width depends upon refractive index of the medium.

1.	Statement I: Fringe width depends upon refractive index of the medium. Statement II: Refractive index changes optical path of ray of light forming fringe pattern.A. Statement-I is true and Statement-II is true and Statement-II is the correct explanation of Statement-I.B. Statement-I asnd Statement-II are true but Statement-II is not the correct explanation of Statement-IC. Statement-I is true, Statement-II is falseD. Statement-I is false, Statement-II is true.
Answer» Correct Answer - B `beta = (lambda D)/(d) but lambda= (1)/(mu)`

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