Question

Which lens should draw at A ? why?
and
Write down three situations in which the lens were used

Answer 1

Answer:

convex lens

eyes

binoculars

microscope s

Answer 2

$\infty answer$..

$\infty \: converx \: lens$

$\infty \: eyes$

$\infty \: binoculars$

$\infty \: microscope$

$hope \: it \: will \: help \: you$