34 In case product of magnification in both cases is 1 1 2 2

Last updated: 6/24/2023

34 In case product of magnification in both cases is 1 1 2 2 3 Zero 4 Infinite In the displacement method a convex lens is placed in between an object and a screen If the magnifications in the two positions are m and m and the displacement of the lens between the two positions is x then the focal length of the lens is 1 X m m X 3 m m 2 X m m X 4 m m ough a Prism 39 An isosceles prism of angle A 30 has on surfaces silvered Light rays falling at an incidence 60 on the other surface retrace after reflection from the silvered surface The index of prism material is 36 The focal length of a planoconvex glass lens is 20 cm g 1 5 The plane face of it is silvered An illuminating object is placed at a distance of its axis along the convex 40 60 30 2 1 5 1 1 414 3 1 732 A plot between the angle of d incidence is shown in figure can say that the prism ang