Last Updated On 01-06-2023 - By Jeesha Sara
A plano convex lens of refractive index
and focal length 
is kept in contact with another plano concave lens of refractive index 
and focal length
. If the radius of curvature of their spherical faces is R each and 
are related as:
(a)
+
=3
(b)
=1
(c)
=1
(d)
=1
A plano convex lens of refractive index and focal length is kept in contact with another plano concave lens of refractive index and focal length . If the radius of curvature of their spherical faces is R each and are related as:
(a)
+ =3
(b)
=1
(c)
=1
(d)
=1
Question ID - 50244 :-
A plano convex lens of refractive index and focal length is kept in contact with another plano concave lens of refractive index and focal length . If the radius of curvature of their spherical faces is R each and are related as:
(a)
+ =3
(b)
=1
(c)
=1
(d)
=1
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A plano convex lens of refractive index |
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(a) |
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(b) |
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(c) |
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(d) |
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=
=
=
=
=1Next Question :
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Two electric dipoles, A, B with respective dipole moments
The distance from A at which both of them produce the same potential is |
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(a) |
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(b) |
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(c) |
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(d) |
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= −4qa
and 
=−2qa
placed on the x-axis with a separation R, as shown in the figure
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