Question

find the nature and position of images, when an object is placed at different places on the principal axis of a concave mirror.​

Answer 1

The nature and position of image is negative

Answer 2

Find the nature and position of images
Place the concave mirror on V - stand, a candle and meter scale.
Keep the candle at different lengths from the mirror along the axis and by moving the paper find the position where you get the sharp image on paper.
Note down the observations in the following table.