364756 If two lenses of +5 dioptres are mounted at some distance apart, the equivalent power will always be negative if the distance is

364757 Water \({\left(\mu=\dfrac{4}{3}\right)}\) is placed between two identical planoconvex lens \({\left(\mu=\dfrac{3}{2}\right)}\) as shown in the figure. The arrangement acts as

364758 Two thin lenses of power \( + 5\,D\) and \( - 2\,D\) are placed in contact with each other. The combination behaves like

364759 A convex lens of focal length ‘\(f\)’ is placed in contact with a concave lens of the same focal length. The equivalent focal length of the combination is

364760 Two identical glass \(\left( {{\mu _g} = \frac{3}{2}} \right)\) equiconvex lenses of focal length f each are kept in contact. The space between the two lenses is filled with water \(\left( {{\mu _w} = \frac{4}{3}} \right)\).The focal length of the combination is

364756 If two lenses of +5 dioptres are mounted at some distance apart, the equivalent power will always be negative if the distance is

364757 Water \({\left(\mu=\dfrac{4}{3}\right)}\) is placed between two identical planoconvex lens \({\left(\mu=\dfrac{3}{2}\right)}\) as shown in the figure. The arrangement acts as

364758 Two thin lenses of power \( + 5\,D\) and \( - 2\,D\) are placed in contact with each other. The combination behaves like

364759 A convex lens of focal length ‘\(f\)’ is placed in contact with a concave lens of the same focal length. The equivalent focal length of the combination is

364760 Two identical glass \(\left( {{\mu _g} = \frac{3}{2}} \right)\) equiconvex lenses of focal length f each are kept in contact. The space between the two lenses is filled with water \(\left( {{\mu _w} = \frac{4}{3}} \right)\).The focal length of the combination is

364756 If two lenses of +5 dioptres are mounted at some distance apart, the equivalent power will always be negative if the distance is

364757 Water \({\left(\mu=\dfrac{4}{3}\right)}\) is placed between two identical planoconvex lens \({\left(\mu=\dfrac{3}{2}\right)}\) as shown in the figure. The arrangement acts as

364758 Two thin lenses of power \( + 5\,D\) and \( - 2\,D\) are placed in contact with each other. The combination behaves like

364759 A convex lens of focal length ‘\(f\)’ is placed in contact with a concave lens of the same focal length. The equivalent focal length of the combination is

364760 Two identical glass \(\left( {{\mu _g} = \frac{3}{2}} \right)\) equiconvex lenses of focal length f each are kept in contact. The space between the two lenses is filled with water \(\left( {{\mu _w} = \frac{4}{3}} \right)\).The focal length of the combination is

364756 If two lenses of +5 dioptres are mounted at some distance apart, the equivalent power will always be negative if the distance is

364757 Water \({\left(\mu=\dfrac{4}{3}\right)}\) is placed between two identical planoconvex lens \({\left(\mu=\dfrac{3}{2}\right)}\) as shown in the figure. The arrangement acts as

364758 Two thin lenses of power \( + 5\,D\) and \( - 2\,D\) are placed in contact with each other. The combination behaves like

364759 A convex lens of focal length ‘\(f\)’ is placed in contact with a concave lens of the same focal length. The equivalent focal length of the combination is

364760 Two identical glass \(\left( {{\mu _g} = \frac{3}{2}} \right)\) equiconvex lenses of focal length f each are kept in contact. The space between the two lenses is filled with water \(\left( {{\mu _w} = \frac{4}{3}} \right)\).The focal length of the combination is

364756 If two lenses of +5 dioptres are mounted at some distance apart, the equivalent power will always be negative if the distance is

364757 Water \({\left(\mu=\dfrac{4}{3}\right)}\) is placed between two identical planoconvex lens \({\left(\mu=\dfrac{3}{2}\right)}\) as shown in the figure. The arrangement acts as

364758 Two thin lenses of power \( + 5\,D\) and \( - 2\,D\) are placed in contact with each other. The combination behaves like

364759 A convex lens of focal length ‘\(f\)’ is placed in contact with a concave lens of the same focal length. The equivalent focal length of the combination is

364760 Two identical glass \(\left( {{\mu _g} = \frac{3}{2}} \right)\) equiconvex lenses of focal length f each are kept in contact. The space between the two lenses is filled with water \(\left( {{\mu _w} = \frac{4}{3}} \right)\).The focal length of the combination is