Question

1) What is the minimum distance between the Real object and Real image by concave
mirror ? Draw it.
2 Write the sign convention for mirror​

Answer 1

Answer:

Zero

The minimum distance between an object and its real image in the case of a concave mirror is Zero.

Ans 2 This means sign is always taken as – (negative) in front of a spherical mirror. For example; the distance of object is always taken as – (negative) in case of both types of spherical mirror, i.e. concave and convex mirrors. Sign is taken as + (positive) behind the spherical mirror.

Explanation:

Hope you like the ans