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A Polaroid is placed at 45° to an incoming light of intensity I0. Now, the intensity of light passing through Polaroid after polarization would be

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Important Questions on Wave Optics

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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 2 - Wave Optics>TOPICWISE QUESTIONS>Q 68
Plane polarized light is passed through a polaroid. On viewing through the polaroid, we find that when the polaroid is given one complete rotation about the direction of the light, one of the following is observed,
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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 2 - Wave Optics>TOPICWISE QUESTIONS>Q 69
A ray of light is incident on the surface of a glass plate at an angle of incidence equal to Brewster's angle ϕ. If μ represents the refractive index of glass with respect to air, then the angle between reflected and refracted rays is
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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 2 - Wave Optics>TOPICWISE QUESTIONS>Q 70
When the angle of incidence on the material is 60°, the reflected light is completely polarized. The velocity of the refracted ray inside the material is in m s-1.
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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 2 - Wave Optics>TOPICWISE QUESTIONS>Q 71
Two polaroids are crossed to each other. When one of them is rotated through 60°, then what percentage of the incident unpolarized light will be transmitted by the polaroids?
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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 2 - Wave Optics>TOPICWISE QUESTIONS>Q 72
At what angle of incidence will the light reflect from water μ=1.3 be completely polarised?
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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 2 - Wave Optics>TOPICWISE QUESTIONS>Q 73
If a light beam is an incident at a polarizing angle 56.3° on the air-glass interface, then what is the angle of refraction in the glass?
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Chapterwise/Topicwise Daily Practice Problems (DPP) Optics and Modern Physics NEET>Chapter 2 - Wave Optics>TOPICWISE QUESTIONS>Q 74
A polariser and an analyzer are oriented so that maximum light is transmitted, what will be the intensity of outcoming light when the analyzer is rotated through 60°?