Home
Class 12
PHYSICS
A ray of light passes normally through a...

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

A

`t/C`

B

`(3t)/(2C)`

C

`(2t)/(3C)`

D

`(4t)/(9C)`

Text Solution

Verified by Experts

The correct Answer is:
B
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • GEOMETRICAL OPTICS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL-II LECTURE SHEET(ADVANCED) STRAIGHT OBJECTIVE TYPE QUESTIONS)|28 Videos

  • GEOMETRICAL OPTICS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL-II LECTURE SHEET(ADVANCED) MORE THAN ONE CORRECT ANSWER TYPE QUESTIONS)|3 Videos

  • GEOMETRICAL OPTICS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERICSE-III (LEVEL-II (ADVANCED) INTEGER TYPE QUESTIONS ))|4 Videos

  • ELEMENTS OF VECTORS

    AAKASH SERIES|Exercise QUESTIONS FOR DESCRIPTIVE ANSWERS|10 Videos

  • LAWS OF MOTION

    AAKASH SERIES|Exercise PRACTICE EXERCISE|106 Videos

Similar Questions

Explore conceptually related problems

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

Light travels through a glass plate of thickness t and refractive index mu. If c is the speed of light in vacuum, the time taken by light to travel this thickness of glass is

A ray of light is incident normally on a glass slab of thickness 5 cm and refractive index 1.6. The time taken to travel by a ray from source to surface of slab is same as to travel through glass slab. The distance of source from the surface is

A light ray falling at an angle of 45^@ with the surface of a clean slab of ice of thickness 1.00 m is refracted into it at an angle of 30°. Calculate the time taken by the light rays to cross the slab. Speed of light in vacuum = 3 xx 10^8ms^-1

Two parallel rays are travelling in a medium of refractive index mu_(1)=4//3 . One of the rays passes through a parallel glass slab of thickness t and refractive index mu_(2)=3//2 . The path difference between the two rays due to the glass slab will be

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 ray of light passes from water to air, How does the speed of light change ?

A ray of light passes through two slabs of same thickness. In the first slab n_(1) waves are formed and in the second slab n_2 . Find refractive index of second medium with respect to first.

A ray of light is incident on a parallel slab of thickness t and refractive index n. If the angle of incidence theta is small, than the lateral displacement in the incident and emergent ray will be

A ray of light 10^(-9) second to cross a glass slab of refractive index 1.5. The thickness of the slab will be

Home
Profile