364795 A bioconvex lens has radii of curvature, 20 \(cm\) each. If the refractive index of the material of the lens is 1.5, the power of the lens is

364796 The power of a thin convex lens \(\left( {_a{n_g} = 1.5} \right)\) is \(5.0 D.\) When it is placed in a liquid of refractive index \({ }_{a} n_{l}\), then it behaves as a concave lens of focal length \(100\;cm\). The refractive index of the liquid \({ }_{a} n_{l}\) will be

364797 A narrow parallel beam of light is incident paraxially on a solid transparent sphere of radius \(r\) kept in air. What should be the refractive index if the beam is to be focused at the farther surface of the sphere.

364798 An air bubble is contained inside water. It behaves as a

364795 A bioconvex lens has radii of curvature, 20 \(cm\) each. If the refractive index of the material of the lens is 1.5, the power of the lens is

364796 The power of a thin convex lens \(\left( {_a{n_g} = 1.5} \right)\) is \(5.0 D.\) When it is placed in a liquid of refractive index \({ }_{a} n_{l}\), then it behaves as a concave lens of focal length \(100\;cm\). The refractive index of the liquid \({ }_{a} n_{l}\) will be

364797 A narrow parallel beam of light is incident paraxially on a solid transparent sphere of radius \(r\) kept in air. What should be the refractive index if the beam is to be focused at the farther surface of the sphere.

364798 An air bubble is contained inside water. It behaves as a

364795 A bioconvex lens has radii of curvature, 20 \(cm\) each. If the refractive index of the material of the lens is 1.5, the power of the lens is

364796 The power of a thin convex lens \(\left( {_a{n_g} = 1.5} \right)\) is \(5.0 D.\) When it is placed in a liquid of refractive index \({ }_{a} n_{l}\), then it behaves as a concave lens of focal length \(100\;cm\). The refractive index of the liquid \({ }_{a} n_{l}\) will be

364797 A narrow parallel beam of light is incident paraxially on a solid transparent sphere of radius \(r\) kept in air. What should be the refractive index if the beam is to be focused at the farther surface of the sphere.

364798 An air bubble is contained inside water. It behaves as a

364795 A bioconvex lens has radii of curvature, 20 \(cm\) each. If the refractive index of the material of the lens is 1.5, the power of the lens is

364796 The power of a thin convex lens \(\left( {_a{n_g} = 1.5} \right)\) is \(5.0 D.\) When it is placed in a liquid of refractive index \({ }_{a} n_{l}\), then it behaves as a concave lens of focal length \(100\;cm\). The refractive index of the liquid \({ }_{a} n_{l}\) will be

364797 A narrow parallel beam of light is incident paraxially on a solid transparent sphere of radius \(r\) kept in air. What should be the refractive index if the beam is to be focused at the farther surface of the sphere.

364798 An air bubble is contained inside water. It behaves as a