Home
Class 12
PHYSICS
A light beam is incident from air to a g...

A light beam is incident from air to a glass slab at Brewster's angle. A polaroid placed in the path of the reflected beam is being rotated about an axis passing through the centre and perpendicular to the plane of the polariod.

A

For a particular orientation there shall be darkness as observer sees through the polaroid

B

the intensity of light as seen through the polaroid shall be independent of the rotation

C

the intensity of light as seen through the polaroid shall go through a minimum but not zero for two orientations of the polaroid

D

the intensity of light as seen through the polaroid shall go through a minimum for four orientations of the polaroid

Text Solution

Verified by Experts

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

Topper's Solved these Questions

  • DIFFRACTION AND POLARISATION OF LIGHT

    CHHAYA PUBLICATION|Exercise EXERCISE (MULTIPLE CHOICE QUESTIONS)|36 Videos

  • DIFFRACTION AND POLARISATION OF LIGHT

    CHHAYA PUBLICATION|Exercise EXERCISE (VERY SHORT ANSWER TYPE QUESTIONS)|42 Videos

  • DIFFRACTION AND POLARISATION OF LIGHT

    CHHAYA PUBLICATION|Exercise NCERT TEXTBOOK QUESTIONS WITH ANSWER HINT|5 Videos

  • CURRENT ELECTRICITY

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|16 Videos

  • DIGITAL CIRCUITS

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|6 Videos

Similar Questions

Explore conceptually related problems

Calculate the moment of inertia of a ring about an axis passing through centre of the ring and perpendicular to the plane of the ring.

The moment of inertia of a uniform circular disc of mass M and radius R about its diameter is (1)/(4) MR^(2) . What is the moment of inertia of the disc about an axis passing through its centre and perpendicular to the plane of the disc?

Knowledge Check

  • Radius of gyration of a ring of radius R about an axis passing through its centre and perpendicular to its plane is

    A
    `(5)/(sqrt(2)) R`
    B
    `( R)/(2)`
    C
    `R`
    D
    `(R )/(sqrt(2))`

  • Radius of gyration of a disc of mass 50 g and radius 0.5 cm about an axis passing through its centre of gravity and perpendicular to the plane is

    A
    6.54 cm
    B
    3.64 M
    C
    0.35 cm
    D
    0.88 cm

  • A solid disc has a radius R. Density of its material Is given by rho=rho_0(2-r/R) where rho_0 ,is a constant and r is the radial distance measured from the centre. Then the moment of inertia of the disc about an axis passing through its centre and perpendicular to the plane of the disc is

    A
    `2/7MR^2`
    B
    `5/18MR^2`
    C
    9/20MR^2
    D
    7/12MR^2

    • Similar Questions

    Explore conceptually related problems

    Uniform circular ring of radius 0.5 m has a mass 10 kg and a uniform circular disc of the same radius has a mass 10 kg. Calculate their moment of inertia about an axis passing through the centre and perpendicular to the plane of a ring or a disc.

    Unpolarised light is incident from air on a plane surface of a material of refractive index mu . At a particular angle of incidence I, it is found that the reflected and refracted rays are perpendicular to each other. Which of the following options is correct for this situation?

    From a solid sphere of mass M and radius R a cube of maximum possible volume is cut. Moment of inertia of cube about an axis passing through its centre and perpendicular to one of its faces is

    From a solid sphere of mass M and radius R a cube of possible volume is cut. Moment of inertia of cube about an axis passing through its centre and perpendicular to one of its faces is :

    Statement I : Moment of inertia of uniform disc and solid cylinder of equal mass and radius about an axis passing through the centre and perpendicular to the plane will be same. Statement II : Moment of inertia depends upon distribution of mass from the axis of rotation, i.e., perpendicular distance from the axis.

    Home
    Profile