MEDIUM
12th Andhra Pradesh Board
IMPORTANT
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Write down mathematical form of Malus law? 

Important Questions on Wave Optics

MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Wave Optics>Exercise>Q 41
Explain the construction of polaroid.
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Wave Optics>Exercise>Q 42
Two polaroids are placed in position so that intensity of emergent light is maximum. If one of the polaroid is rotated by 30°, 90° relative to other than under new position the intensity of emergent light is how much part of maximum intensity? 
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Wave Optics>Exercise>Q 43
The polarising  directions of two polariser plates are parallel hence the intensity of emergent light is maximum. What is the minimum rotation of one of the plates so that intensity of emergent light remains one fourth of maximum intensity?
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Wave Optics>Exercise>Q 44
Explain the terms plane of polarisation and plane of vibration.
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Wave Optics>Exercise>Q 45
If the critical angle of medium is sin-13/5, find the polarising angle.
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Wave Optics>Exercise>Q 46
A ray of light is incident on the surface of a glass plate of refractive index 1.536 at the polarising angle. Calculate the angle of refraction.
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Wave Optics>Exercise>Q 47
State Brewster's law and show that when light is incident at polarising angle, the reflected and refracted rays are mutually perpendicular to each other.
MEDIUM
12th Andhra Pradesh Board
IMPORTANT
Physics Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Wave Optics>Exercise>Q 48
A ray of light travelling through air falls on the surface of a glass slab at an angle i. It is found that the angle between the reflected and refracted ray is 90°. If the speed of light in glass is 2×108 m/s, find the angle of incidence. (c=3×108 m/s)