The focal length of a convex lens is 10cm and its refractive index is 1.5 is placed in liquid of refractive index 1.25 then its focal length will be
Sahay Sir > Question Answers > The focal length of a convex lens is 10cm and its refractive index is 1.5 is placed in liquid of refractive index 1.25 then its focal length will be
Two thin doubled convex lenses of focal length f1 = 24, f2 = 11 cm are placed a part by a distance of 10 cm. An object is placed in front of f1 at a distance of O1 = 8 cm on the axis of the lens combination. What is the nature and distance from f2 of the final image ?
09
Nov
Two thin doubled convex lenses of focal length f1 = 24, f2 = 11 cm are placed a part by a distance of 10 cm. An object is placed in front of f1 at a distance of O1 = 8 cm on the axis of the lens combination. What is the nature and distance from [...]
Two plano-concave lenses (1 and 2) of glass of refractive index 1.5 have radii of curvature 25 cm and 20 cm. They are placed in contact with their curved surface towards each other and the space between them is filled with liquid of refractive index 4/3. Then the combination is
09
Nov
Two plano-concave lenses (1 and 2) of glass of refractive index 1.5 have radii of curvature 25 cm and 20 cm. They are placed in contact with their curved surface towards each other and the space between them is filled with liquid of refractive index 4/3. Then the combination is The focal length of a [...]
The focal length of a convex lens is 10cm and its refractive index is 1.5 is placed in liquid of refractive index 1.25 then its focal length will be
09
Nov
The focal length of a convex lens is 10cm and its refractive index is 1.5 is placed in liquid of refractive index 1.25 then its focal length will be The focal length of a convex lens is 10cm and its refractive index is 1.5 is placed in liquid of refractive index 1.25 then its focal [...]