Question

state the condition when concave mirror forms an image. (1) larger than the actual object (2) smaller than the actual object

Answer 1

When image is placed between pand f then image is larger than actual objects and when obj is placed at infinity then image is smaller than actual obj.
..... Golu sharma...

Answer 2

1. Larger than actual object: when the object is kept At the distance :-

> equal to it's radius ( r) of center of curvature ( c)

> less than its focal length

> greater than its r of c

> placed between focus and c

2. Small size: when the object is placed at infinity and image is positioned at the focus.

Thanks..