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A plane wavefront incident on a plane mirror is reflected as a:

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Important Questions on Wave Optics

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Achieve CUET (UG) Physics Practice Book>Chapter 10 - Wave Optics>Exercise>Q 27

A ray travels from point A to B from a rarer to denser medium. Of the four paths shown in the figure, which is the path for the least time?

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Achieve CUET (UG) Physics Practice Book>Chapter 10 - Wave Optics>Exercise>Q 28
In the interference pattern by two identical slits, intensity of central maxima is I. If one of the two slits is closed, then intensity of light at the same spot will be
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Achieve CUET (UG) Physics Practice Book>Chapter 10 - Wave Optics>Exercise>Q 29
Two slits in Young double slit experiment have widths in the ratio 81:1. The ratio of the amplitude of light waves is
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IMPORTANT
Achieve CUET (UG) Physics Practice Book>Chapter 10 - Wave Optics>Exercise>Q 30
For a constructive interference the path difference is given as
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Achieve CUET (UG) Physics Practice Book>Chapter 10 - Wave Optics>Exercise>Q 31
A wave of light of __________ wavelength is called monochromatic light.
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Achieve CUET (UG) Physics Practice Book>Chapter 10 - Wave Optics>Exercise>Q 32
To demonstrate the phenomenon of interference, we require two sources, which emit radiation of:
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Achieve CUET (UG) Physics Practice Book>Chapter 10 - Wave Optics>Exercise>Q 33
The path difference between two waves

y1=a1sin⁡ωt-2πxλ and y2=a2cos⁡ωt-2πxλ+ϕis
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IMPORTANT
Achieve CUET (UG) Physics Practice Book>Chapter 10 - Wave Optics>Exercise>Q 34
In Young's double slit experiment, if the slit widths are in the ratio 1:9 then, the ratio of the intensity at minima to that at maxima will be,