Question

13. The erect image formed by a concave mirror is of size
double the size of object. How are u and v related ?
Ans. V = -2u
solve the sum by getting the above answer​

Answer 1

Answer:

Magnification can be given by : 

m=−uv 

Therefore , −uv=2 

v=−2u 

Since ′u′ is always negative 

    v=2u 

The above equation shows how u and v are related.