Question

Name the device (type of lens / mirror) used in the following cases and draw ray diagrams to
show the image formation in each case –
a) Object is placed between the device and its focus, the enlarged image is formed behind it
b) The object is placed between infinity and the device, the image is formed behind the device
between its pole and focus.

Answer 1

1)concave
2)convex
I hope u understand

Answer 2

Concave mirror; convex mirror