Last Updated On 16-03-2023 - By Jeesha Sara
A beam of natural light falls on a system of 5 polaroids, which are arranged in succession such that the pass axis of each polaroid is turned through 
with respect to the preceding one. The fraction of the incident light intensity that passes through the system is
a)
b)
c)
d)
A beam of natural light falls on a system of 5 polaroids, which are arranged in succession such that the pass axis of each polaroid is turned through with respect to the preceding one. The fraction of the incident light intensity that passes through the system is
a)
b)
c)
d)
Question ID - 150213 :-
A beam of natural light falls on a system of 5 polaroids, which are arranged in succession such that the pass axis of each polaroid is turned through with respect to the preceding one. The fraction of the incident light intensity that passes through the system is
a)
b)
c)
d)
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A beam of natural light falls on a system of 5 polaroids, which are arranged in succession such that the pass axis of each polaroid is turned through |
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a) |
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b) |
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c) |
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d) |
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(d) Let Then the intensity of light from the
Intensity of light from the 2nd polaroid is
Intensity of light from the 3rd polaroid is
Intensity of light from the 4th polaroid is
Intensity of light from the 5th polaroid is
Therefore, the fraction of the incident light that passes through the system is
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be the intensity of incident light
polaroid is
Next Question :
The figure here gives the electric field of an EM wave at a certain point and a certain instant. The wave is transporting energy in the negative 
direction. What is the direction of the magnetic field of the wave at that point and instant
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a) |
Towards + |
b) |
Towards |
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c) |
Towards + |
d) |
Towards |
direction
direction
direction
directionView Topper Answer
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