AIEEE 2005 | Wave Optics Question 123 | Physics

If $${I_0}$$ is the intensity of the principal maximum in the single slit diffraction pattern, then what will be its intensity when the slit width is doubled?

$$4{I_0}$$

$$2{I_0}$$

$${{{I_0}} \over 2}$$

$${I_0}$$

AIEEE 2005

MCQ (Single Correct Answer)

-1

When an unpolarized light of intensity $${{I_0}}$$ is incident on a polarizing sheet, the intensity of the light which does not get transmitted is

$${1 \over 4}\,{I_0}$$

$${1 \over 2}\,{I_0}$$

$${I_0}$$

zero

AIEEE 2004

MCQ (Single Correct Answer)

-1

The angle of incidence at which reflected light is totally polarized for reflection from air to glass (refractive index $$n$$) is :

$${\tan ^{ - 1}}\left( {1/n} \right)$$

$${\sin ^{ - 1}}\left( {1/n} \right)$$

$${\sin ^{ - 1}}\left( n \right)$$

$${\tan ^{ - 1}}\left( n \right)$$

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