Diameter of the flat surface of a circular plano-convex lens is `6 cm` and thickness at the centre is `3 mm.` The radius of curvature of the curved part is

Diameter or aperture of a plano - convex lens is 6 cm and its thickness at the centre is 3 mm. The image of an object formed is real and twice the size of the object. If the speed of light in the material of the lens is 2xx10^(8)ms^(-1) . The distance where the object is placed from the plano - convex lens is .............. xx15cm .

Diameter or aperture of a plano - convex lens is 6 cm and its thickness at the center is 3 mm. The image of an object formed is real and twice the size of the object. If the speed of light in the material of the lens is 2xx10^(8)ms^(-1) . The distance where the object is placed from the plano - convex lens is .............. xx15cm .

Diameter of a plano-convex lens is 6 cm and thickness at the centre is 3 mm. If speed of light in material of lens is 2 xx 10^8 m/s., the focal length of the lens is ......

The diameter of a plano convex lens is 6 cm and thickness at the centre is 3 mm . If the speed of light in the material of the lens is 2 xx 10^8 m//s , what is the focal length of the lens ?

The radius of curvature of the convex surface of a thin plano-convex lens is 15 cm and the refractive index of its material is 1.6. The power of the lens is

Diameter of a plano-convex lens is 6cm and thickness at the centre is 3mm. If speed of light in material of lens is 2xx10^(8)(m)/(s) , The focal length of the lens is

Diameter of a plano-convex lens is 6cm and thickness at the centre is 3mm. If speed of light in material of lens is 2xx10^(8)(m)/(s) , The focal length of the lens is