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When light moves from one medium to anot...

When light moves from one medium to another
(i) the frequency of light remains same and wavelength changes
(ii) refractive index of a medium is the ratio of speed of light in vacuum and speed of light in medium
(iii) refractive index of a medium is the ratio of wavelength of light in vacuum and wavelength in medium
(iv) for denser medium, the value of refractive index is larger

A

(i), (ii)

B

(ii), (iii)

C

(ii), (iii), (iv)

D

all options are correct

Text Solution

Verified by Experts

The correct Answer is:
D
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  • If V_(c) is the speed of light in vacuum and V_(m) is the speed of light in given medium then the refractive index of medium is

    A
    `V_(m)// V_(e)`
    B
    `V_(c) // V_(m)`
    C
    ` V_(m) xx V_(c)`
    D
    none of these

  • The speed of light in a medium of refractive index 1.5 is ________.

    A
    `1.5 xx 10^(8) m//s`
    B
    `3.0 xx 10^(8) m//s`
    C
    `2.0 xx 10^(8) m//s`
    D
    `1.2 xx 10^(8) m//s`

  • If the refractive index of a medium is 1.7, the velocity of light in that medium is

    A
    `1.765 xx 10^(8)` m/s
    B
    `2.5xx10^(8) m//s `
    C
    `1.1 xx 10^(8) m//s `
    D
    `2.2 xx 10^(8) m//s `

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