Last Updated On [03-11-2023]
The refractive index of the material of a double convex lens is 1.5 and its focal length is 5 cm. If the radii of curvature are equal, the value of the radius of curvature is ………. cm.
(a)
6.5
(b)
5
(c)
8
(d)
5.6
The refractive index of the material of a double convex lens is 1.5 and its focal length is 5 cm. If the radii of curvature are equal, the value of the radius of curvature is ………. cm.
(a)
6.5
(b)
5
(c)
8
(d)
5.6
Question ID - 153217 :-
The refractive index of the material of a double convex lens is 1.5 and its focal length is 5 cm. If the radii of curvature are equal, the value of the radius of curvature is ………. cm.
(a)
6.5
(b)
5
(c)
8
(d)
5.6
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The refractive index of the material of a double convex lens is 1.5 and its focal length is 5 cm. If the radii of curvature are equal, the value of the radius of curvature is ………. cm. |
|||||||
|
(a) |
6.5 |
(b) |
5 |
(c) |
8 |
(d) |
5.6 |
Next Question :
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A ray of light is incident normally on face AB of a prism as shown in the figure. A liquid of refractive index
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(c) |
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is placed on the face AC of the prism. The prism is made of glass of refractive index 3/2. The limit of 
for which total internal reflection takes place on face AC is
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<
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