Home
Class 12
PHYSICS
A monochromatic light passes through a g...

A monochromatic light passes through a glass slab `(mu = (3)/(2))` of thickness 90 cm in time `t_(1)`. If it takes a time `t_(2)` to travel the same distance through water `(mu = (4)/(3))`. The value of `(t_(1) - t_(2))` is

A

`5xx10^(-11)` sec

B

`5xx10^(-8)`sec

C

`2.5xx110^(-10)` sec

D

`5xx10^(-10)` sec

Text Solution

Verified by Experts

The correct Answer is:
A
`t_(1)-t_(2)=(mu_(1)-mu_(2))x/c,20.mualpha1/lambda` and `t=nlambda`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • RAY OPTICS AND OPTICAL INSTRAUMENTS

    NARAYNA|Exercise EXERCISE-2 (C.W)(REFRACTION THROUGH SPHERICAL SURFACES )|29 Videos

  • RAY OPTICS AND OPTICAL INSTRAUMENTS

    NARAYNA|Exercise EXERCISE-2 (C.W)(REFRACTION THROUGH A PRISM )|8 Videos

  • RAY OPTICS AND OPTICAL INSTRAUMENTS

    NARAYNA|Exercise EXERCISE-2 (C.W)(REFLECTION)|18 Videos

  • NUCLEI

    NARAYNA|Exercise ASSERTION & REASON|5 Videos

  • SEMI CONDUCTOR DEVICES

    NARAYNA|Exercise Level-II (H.W)|36 Videos

Similar Questions

Explore conceptually related problems

A mono chromatic light passes through a glass slab ( mu =1.5) of thickness 9cm in time t_1 .If it takes a time t_2 to travel the same distance through water ( mu =(4)/(3)) .The value of ( t_1 - t_2 )

A light passes through glass slabv of refractive index 1.5 and thickness 2 mm. How much time ray will take to pass through the glass slab ?

Knowledge Check

  • A ray of light strikes a glass slab (R.l. = mu ) of finite thickness t. The emerging light is

    A
    parallel to. the incident ray
    B
    perpendicular to the incident ray
    C
    rotates by an angle`[sin^(-1)(1/mu)]`
    D
    totally internally reflected

  • The time taken by a ray of light to travel through a glass slab of thickness 2 cm and refractive index 1.5 will be

    A
    `10^(-8) s
    B
    `10 ^(-10) s`
    C
    `2 xx 10^(-8) s`
    D
    `10^(-12) s`

  • Light passes through a glass slab with parallel sides and thickness t. If i and r the angles of incidence of refraction, the lateral displacement is

    A
    `tsin(i-r)`
    B
    `tcosr`
    C
    `tsin(i-r)//cosr`
    D
    `t tan r`

    • Similar Questions

    Explore conceptually related problems

    The refractive index of glass is 1.9 . If light travels through a glass slab of thickness d in time t and takes the same time to travel through a transparent beaker filled with water upto a level of 1.5 d, then the refractive index of water is

    A ray of light passes through a glass plate of thickness and refractive index mu if the speed of light in vacuum is c ,then the time taken by light in passing through the plate will be-

    A ray of light passes normally through a slab mu=1.5 of thickness t . If the speed of light in vaccum be c , then time taken by the ray to go across the slab will be

    A ray of light passes throught a plane glass slab of thickness t and refractive index mu = 1.5 . The angle between incident ray and emergent ray will be

    An object is seen through a glass slab of thickness 36 cm and refractive index 3//2. The observer, and the slab are dipped in water (mu=4//3). The shift produced in the position of the object is

    Home
    Profile