Home
Class 10
PHYSICS
The refractive index of glass is 1.5.The...

The refractive index of glass is `1.5.`The speed of light in vacuum is `3 xx 10 ^(8) ms ^(-1).` Calculate the speed of light in glass.

Text Solution

Verified by Experts

Given refractive index of glass , `n _(g) = 1. 5.`
Velocirt of light in vacuum, `c = 3 cc 10 ^(8) ms ^(-1).`
Velocity of light in glass, `v _(g) = ?`
Refractive index of glass with respect to air or vaccum is
`implies v _(g) = (c)/( n _(g)) = (3 xx 10 ^(8) ms ^(-1))/( 1. 5)`
`= v = 2 xx 10 ^(8) ms ^(-1)`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • REFRACTION OF LIGHT

    CENGAGE PHYSICS|Exercise MANDATORY EXERCISE (EXERCISE SET I)|21 Videos

  • REFRACTION OF LIGHT

    CENGAGE PHYSICS|Exercise MANDATORY EXERCISE (EXERCISE SET II)|27 Videos

  • OPTICAL INSTRUMENTS

    CENGAGE PHYSICS|Exercise OLYMPLAD AND NTSE LEVEL EXERCISES|10 Videos

  • SOURCES OF ELECTRIC CURRENT

    CENGAGE PHYSICS|Exercise OLYMPIAD AND NTSE LEVEL EXERCISES|10 Videos

Similar Questions

Explore conceptually related problems

The refraction index of glass is 1.5. Find the speed of light in glass.

The refractive index of glass with respect to water is 1.125 . If the speed of light in water is 2.25 xx 10^(8) ms^(-1) , what is the speed of light in glass ?

Knowledge Check

  • The refractive index of glass is 1.5. The speed of light in glass is

    A
    `3 xx 10^(8)` m//s
    B
    `2 xx 10^(8)` m/s
    C
    `1 xx 10^(8)` m/s
    D
    `4 xx 10^(8)` m/s

  • The refractive index of glass is (3)/(2) and the refractive index of water is (4)/(3) . The speed of light in glass is 2.00 xx 10^(8) ms^(-1) . What is the speed of light in water in ms^(-1) ?

    A
    `1.50 xx 10^(8)`
    B
    `2.25 xx 10^(8)`
    C
    `1.78 xx 10^(8)`
    D
    `2.67 xx 10^(8)`

  • If the speed of light is 3.0xx10^8 ms^(-1) , calculate the distance covered by light in 2.00 ns.

    A
    `6.0xx10`
    B
    `0.6xx10`
    C
    `0.06xx10`
    D
    `60.0xx10^(-1)`

    • Similar Questions

    Explore conceptually related problems

    (a) The refractive index of glass is 1.5 . What is the speed of light in glass ? (Speed of light in vaccum is 3 xx 10^(8) ms^(-1) ). (b) Is the speed of light in glass independent of colour of light ? If not, which of the two colours, red and violet travels slower in a glass prism ?

    (a) The refractive index of glass is 1.5. What is the speed of light in glass? (b) Is the speed of light in glass independent of the colour of light ? If not, which of the two colours red and violet travels slower in a glass prism?

    Red light of wavelength 750 nm enters a glass plate of refractive index 1.5 . If velocity of light in vacuum is 3 xx 10^(8) m//s , calculate velocity, wavelength and frequency of light in glass.

    The refractive index of glass is 1.5 and that of water is 1.3. If the speed of light in water is 2.25 xx 10^(8) m///s , what is the speed of light in glass ?

    A glass prism has a refracting angle of 60^@ . The angle of minimum deviation is 40^@ . If velocity of light in vacuum is 3 xx 10^8 m//s . Calculate the velocity of light in glass. What is the angle of incidence ?

    Home
    Profile