Write two characteristics of the image formed by a place mirror.

Write a characteristic of the image formed by a place mirror.

Write two characteristics of gas.

The image formed by a concave mirror-

Write two characteristics of animal viruses.

Image formed by a plane mirror is always

Write any two characteristics of chemisorption.

State the nature and size of the image formed by a concave mirror of an object at infinity.

An object is placed just at the middle point between concave mirror of radius of curvature 40 cm and a convex mirror of radius of curvature 30 cm facing each other. The mirrors are situated 50 cm apart from each other. The mirrors are situated 50 cm apart from each other. Considering the first reflection occurs in the concave mirror, determine the position and nature of the image formed by this mirror. Next find the position and nature of the image formed by the convex mirror considering the first image for concave mirror as its object.