Concave Mirror — Object inside FMediumQuestion 20197
Question
When an object is placed between the focus F and the pole P of a concave mirror, the image is:
- AReal, inverted, beyond C
- BVirtual, erect, behind the mirror, magnifiedCorrect
- CVirtual, inverted
- DAt infinity
Correct answer
Virtual, erect, behind the mirror, magnified
Explanation
For u < f in a concave mirror: using 1/v = 1/f − 1/u with |u| < |f|, v is positive → image is behind the mirror (virtual), erect, and magnified. This is the principle of a shaving/makeup mirror.