Last Updated On 16-03-2023 - By Jeesha Sara
A beam of ordinary unpolarised light passes through a tourmaline crystal 
and then it passes through another tourmaline crystal 
, which is oriented such that its principal plane is parallel to that of 
. The intensity if emergent light is
. Now 
is rotated by 
about the ray. The emergent ray will have an intensity
a)
b)
c)
d)
A beam of ordinary unpolarised light passes through a tourmaline crystal and then it passes through another tourmaline crystal , which is oriented such that its principal plane is parallel to that of . The intensity if emergent light is. Now is rotated by about the ray. The emergent ray will have an intensity
a)
b)
c)
d)
Question ID - 150216 :-
A beam of ordinary unpolarised light passes through a tourmaline crystal and then it passes through another tourmaline crystal , which is oriented such that its principal plane is parallel to that of . The intensity if emergent light is. Now is rotated by about the ray. The emergent ray will have an intensity
a)
b)
c)
d)
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A beam of ordinary unpolarised light passes through a tourmaline crystal |
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a) |
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b) |
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c) |
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d) |
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(c) Intensity of light from On rotating through
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,
(law of Malus)
Next Question :
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Three electric bulbs with same voltage ratings of 110 volts but wattage ratings of 40, 60 and 100 watts respectively are connected in series across a 220 volt supply line. If their brightness are |
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a) |
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b) |
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c) |
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d) |
Bulbs will burn out due to the high voltage supply |
respectively, then
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