Question

answer the question of above pic​

Answer 1

A - convex lens

B-Day converges light

C changing position of object

4- sorry don't know

Answer 2

a) Telescope

b) it is optical instrument which uses two lenses i.e objective and eyepiece lens to observe the distant object clearly .eg. sun ,moon . It produces virtual and inverted image.

d) the image is attached above

c) I don't know....sorry

hope it helps☺