An object of length 6 cm is placed on the principal axis of a concave mirror of a focal length f at a distance of 4 f the length of the image will be

Q. An object of length 2.5 cm is placed at a distance of 1.5 f from a concave mirror where f is the magnitude of the focal length of the mirror. The length of the object is perpendicular to the principal axis. The length of the image is

Q. An object is placed on the principal axis of a concave mirror at a distance of $60cm$. If the focal length of the concave mirror is $40cm$ then determine the magnification of the obtained image.

Q. An object of height 5 cm is placed at 30 cm distance on the principal axis infront of a concave mirror of focal length 20 cm. Find the image distance and size of the image.

Q. An object of length 2.5 cm is placed at a distance of 1.5 f from a concave mirror where f is the magnitude of the focal length of the mirror. The length of the object is perpendicular to the principal axis. The length of the image is

Q. A very small linear object of size $1\text{mm}$ is kept at a distance of $40\text{cm}$ from a concave mirror of focal length $30\text{cm}$. The length of the image when the object is placed along the principal axis will be