Wave Optics (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 63 - 64 of 64

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Question number: 63

» Wave Optics » Young's Double Slit Experiment

Appeared in Year: 2016

MCQ▾

Question

A linear aperture whose width is is placed immediately in front of a lens of focal length . The aperture is illuminated normally by a parallel beam of wavelength . The distance of the first dark band of the diffraction pattern from the centre of the screen is –

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 64

» Wave Optics » Malus' Law and Its Application

Appeared in Year: 2017

MCQ▾

Question

Two polaroid’s and are placed with their axis perpendicular to each other. Unpolarized light is incident on . A third Polaroid is kept in between and such that its axis makes an angle with that of . The intensity of transmitted light though is:

Choices

Choice (4) Response

a.

b.

c.

d.

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