Question

An object is placed at a distance of 6 cm from a concave mirror having radius of curvature 30cm. Find the position and kind of the image. Data: u=-6 cm; f R/2 = 30/2 -15 cm, v = is negative.
Xan anyone explain y v is considered negative !?

Answer 1

yup it's wrong because if object is kept between f and p then image formed will be virtual and sign used will be +