Light travels through a glass plate of thickness t, having refractive index `mu`. If c is the velocity of light in vaccum, then the time taken by ligh

Question

Light travels through a glass plate of thickness t, having refractive index `mu`. If c is the velocity of light in vaccum, then the time taken by ligh

Light travels through a glass plate of thickness t, having refractive index `mu`. If c is the velocity of light in vaccum, then the time taken by light to travel this thicness of glass is
A. `x mu v`
B. `x v //mu`
C. `x// mu v`
D. `mu x //v`

Monjur Alahi

7 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
`mu_(m) = mu, v_(a) = v, d_(m) = x, t_(m) = ?`
`t_(m) = (d_(m))/(v_(m)) = (d_(m))/((v_(a))/(mu_(m))) = (d_(m).mu_(m))/(v_(a))`
`:. t_(m) = (x mu)/(v)`

7 views Answered 2023-02-05 15:29