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Syed shoaib Asked a Question
July 27, 2021 12:09 pmpts 30 pts
Refractive index of glass slab of thickness 'd changes linearly from n, at x =0 to n, at x=d. What time a light beam takes to travel from x=0 to x =d 53. 2d ( c(n+ 1,) x=d d c+n,) d(,+n,) (d) 2c
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  • Syed shoaib
    not clear
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  • Dr suman 1 thankyou
    option d is correct. see the attachment.
    • cropped6433463412638943385.jpg
    • cropped6646629482000486467.jpg
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