Wave Optics (NEET (National Eligibility cum Medical Entrance Test) 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 Equation is placed immediately in front of a lens of focal length Equation . The aperture is illuminated normally by a parallel beam of wavelength Equation . The distance of the first dark band of the diffraction pattern from the centre of the screen is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 64

» Wave Optics » Malus' Law and Its Application

Appeared in Year: 2017

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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