Question

an object is kept at distance of 12cm in front of concave mirror having the radius of curvature 0.24 m. distance between object and image should be ?​​

Answer 1

R= -24cm

f= -12cm

m=1.5

by using lens formula

1/v + 1/u= 1/f

1/1.5u + 1/u= -(1/12)

2.5/1.5u = -(1/12)

u= -20 cm