364829 When an object is at a distance \({x}\) and \({y}\) from the optical centre of a lens, a real and a virtual image are formed, respectively with same magnification. The focal length of lens is

364830 A convex lens made of glass has focal length \(0.15\;m\) in air. If the refractive index of glass is 3/2 and that of water is 4/3, the focal length of lens when immersed in water is

364831 Read the Statement -A and Statement -B carefully to mark the correct options given below:
Statement A :
When an object is placed at the centre of curvature of a concave lens, image is formed at the centre of curvature of the lens on the other side.
Statement B :
Concave lens always forms a virtual and erect image.

364832 The focal length of an equi-convex lens is greater than the radius of curvature of any of the surfaces. Then, the refractive index of the material of the lens is

364829 When an object is at a distance \({x}\) and \({y}\) from the optical centre of a lens, a real and a virtual image are formed, respectively with same magnification. The focal length of lens is

364830 A convex lens made of glass has focal length \(0.15\;m\) in air. If the refractive index of glass is 3/2 and that of water is 4/3, the focal length of lens when immersed in water is

364831 Read the Statement -A and Statement -B carefully to mark the correct options given below:
Statement A :
When an object is placed at the centre of curvature of a concave lens, image is formed at the centre of curvature of the lens on the other side.
Statement B :
Concave lens always forms a virtual and erect image.

364832 The focal length of an equi-convex lens is greater than the radius of curvature of any of the surfaces. Then, the refractive index of the material of the lens is

364829 When an object is at a distance \({x}\) and \({y}\) from the optical centre of a lens, a real and a virtual image are formed, respectively with same magnification. The focal length of lens is

364830 A convex lens made of glass has focal length \(0.15\;m\) in air. If the refractive index of glass is 3/2 and that of water is 4/3, the focal length of lens when immersed in water is

364831 Read the Statement -A and Statement -B carefully to mark the correct options given below:
Statement A :
When an object is placed at the centre of curvature of a concave lens, image is formed at the centre of curvature of the lens on the other side.
Statement B :
Concave lens always forms a virtual and erect image.

364832 The focal length of an equi-convex lens is greater than the radius of curvature of any of the surfaces. Then, the refractive index of the material of the lens is

364829 When an object is at a distance \({x}\) and \({y}\) from the optical centre of a lens, a real and a virtual image are formed, respectively with same magnification. The focal length of lens is

364830 A convex lens made of glass has focal length \(0.15\;m\) in air. If the refractive index of glass is 3/2 and that of water is 4/3, the focal length of lens when immersed in water is

364831 Read the Statement -A and Statement -B carefully to mark the correct options given below:
Statement A :
When an object is placed at the centre of curvature of a concave lens, image is formed at the centre of curvature of the lens on the other side.
Statement B :
Concave lens always forms a virtual and erect image.

364832 The focal length of an equi-convex lens is greater than the radius of curvature of any of the surfaces. Then, the refractive index of the material of the lens is