Home
Class 12
PHYSICS
For light incident from air onto a slab ...

For light incident from air onto a slab of refractive index 2. Maximum possible angle of refraction is,

A

`30^(@)`

B

`45^(@)`

C

`60^(@)`

D

`90^(@)`

Text Solution

Verified by Experts

The correct Answer is:
A
From Snell.s law, `mu =(sini)/(sinr)`
Now consider an angle of incident is `90^(@)`
`sinr=(sin90^(@))/(2)`
r=`sin^(-1)(0.5)`
`r=30^(@)`
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER-05 ( SOLVED )

    FULL MARKS|Exercise PART -II|9 Videos

  • SAMPLE PAPER-05 ( SOLVED )

    FULL MARKS|Exercise PART-III|9 Videos

  • SAMPLE PAPER 9

    FULL MARKS|Exercise PART-IV|10 Videos

  • SAMPLE PAPER-07 (SOLVED )

    FULL MARKS|Exercise (PART - IV)(Answer all the questions.)|10 Videos

Similar Questions

Explore conceptually related problems

A beam of monochromatic light is refracted from vacuum into a medium of refractive index 1.5. The wavelenght of refracted light will be

For air, the refractive index is _______

The angle of polarisation on a certain crystal is 55^(@)C . The reflected light is completely polarised. Find the refractive index of the crystal andangle of refraction.

The ratio of sine of angle of incidence to the sine of angle of refraction.

Light rays travel from vacuum into glass whose refractive index is 1.5 If the angle of incidence is 30^(@) calculate the angle of refraction inside the glass.

A ray of light is incident normally on one of the faces of a prism of apex angle 30^@ and refractive index sqrt2 . Find the angle of deviation for the ray of light.

Find the angle of minimum deviation for an equilateral prism made of a material of refractive index 1.732. What is the angle of incidence for this deviation ?

When a ray of light passes from air into glass, is the angle of refraction greater than or less than the angle of incidence?