Geometrical OpticsHard
Question
A square of side 3 cm is placed at a distance of 25 cm from a concave mirror of focal length 10 cm. The centre of the square is at the axis of the mirror and the plane is normal to the axis. The area enclosed by the image of the wire is -
Options
A.4 cm2
B.6 cm2
C.16 cm2
D.36 cm2
More Geometrical Optics Questions
A point objects O moves from the principle axis of a converging lens in a direction OP. I the image of O, will move init...A point source of light is placed on the principle axis between F and 2F of a concave lens. On the other side very far, ...The length of a telescope is 36 cm. The focal lengths of its lenses can be -...A convex lens forms an image of an object on a screen . The height of the image is 9 cm. The lens is now displaced until...An object placed 10 cm in front of a lens has an image 20 cm behind the lens. What is the power of the lens (in dioptres...