Question

draw ray diagram to describe the nature position and relative size of the image formed by a concave mirror (1) when object is is at infinity and (2)when object is beyond the centre of curvature​

Answer 1

Explanation:

Density is the property of matter represented by a ratio of mass to a unit volume of matter. Specific gravity which is also called as relative density is a measure of density with respect to a density of pure water.