Question

Linear magnification produced by a mirror is +1.5. What is the correct mirror and object position?

• A. It is a concave mirror with object between \( F \) and \( 2F \)
• B. It is a concave mirror with object between \( F \) and Pole
• C. It is a convex mirror with object at infinity
• D. It is a convex mirror with object anywhere in front of the mirror

Hint:

For a concave mirror, when the object is placed between \( F \) and \( 2F \), the image formed is real, inverted, and magnified, producing a positive magnification.

Answer 1

The Correct Option is A

The magnification produced by a concave mirror is given by the relation: \[ M = \frac{v}{u} = 1 + \frac{f}{u} \] Where \( v \) is the image distance, \( u \) is the object distance, and \( f \) is the focal length of the mirror. For magnification \( M = +1.5 \), the object should be placed between \( F \) and \( 2F \) for a concave mirror.