Last Updated On [03-11-2023]
Two similar plano-convex lenses are combined together in three different ways as shown in the adjoining figure. The ratio of the focal lengths in three cases will be
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Question ID - 152874 :- Two similar plano-convex lenses are combined together in three different ways as shown in the adjoining figure. The ratio of the focal lengths in three cases will be
a)
b)
c)
d)
Two similar plano-convex lenses are combined together in three different ways as shown in the adjoining figure. The ratio of the focal lengths in three cases will be
|
a) |
|
b) |
|
c) |
|
d) |
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(b) In each case two plane-convex lens are placed close to each other, and |
Next Question :
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The unit of focal power of a lens is |
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a) |
Watt |
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Horse power |
c) |
Dioptre |
d) |
Lux |
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