Last Updated On 01-06-2023 - By Jeesha Sara
For spherical mirrors of small apertures, the radius of curvature is found to be
(a)
equal the focal length
(b)
twice the focal length
(c)
thrice the focal length
(d)
there is no relation between them
For spherical mirrors of small apertures, the radius of curvature is found to be
(a)
equal the focal length
(b)
twice the focal length
(c)
thrice the focal length
(d)
there is no relation between them
Question ID - 100079 :-
For spherical mirrors of small apertures, the radius of curvature is found to be
(a)
equal the focal length
(b)
twice the focal length
(c)
thrice the focal length
(d)
there is no relation between them
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For spherical mirrors of small apertures, the radius of curvature is found to be |
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|
(a) |
equal the focal length |
(b) |
twice the focal length |
|
(c) |
thrice the focal length |
(d) |
there is no relation between them |
Next Question :
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Two painters are working from a wooden board 5 m long suspended from the top of a building by two ropes attached to the ends of the plank. Either rope can withstand a maximum tension of 1040 N. Painter |
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a) |
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b) |
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c) |
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d) |
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of mass 80 kg is working at a distance of 1 m from one end. Painter 
of mass 60 kg is working at a distance of 
m from the centre of mass of the board on the other side. Take mass of the board as 20 kg and 
. The range of 
so that both the painter can work safely is
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