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  • Plane polarised light is passed through a polaroid. On viewing through the polaroid we find that when the polariod is given one complete rotation about the direction of the light, one of the follow

Plane polarised light is passed through a polaroid. On viewing through the polaroid we find that when the polariod is given one complete rotation about the direction of the light, one of the following is observed

Option: 1

The intensity of light gradually decreases to zero and remains at zero


Option: 2

The intensity of light gradually increases to a maximum and remains at maximum


Option: 3

There is no change in intensity


Option: 4

The intensity of light is twice maximum and twice zero


Answers (1)

best_answer

For single slit diffraction pattern \mathrm{d \sin \theta=\lambda(\mathrm{d}=slit \, \, width )}

Angular width \mathrm{=2 \theta=2 \sin ^{-1}\left(\frac{\lambda}{d}\right)}

It is independent of D i.e. distance between screen and slit

Posted by

Gautam harsolia

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