Question

a lens produces erect image of 12mm, when an object of size 6mm is placed 12cm from its optical center.

1. what is nature and magnification of lens?

2. what can be said about position of object ?

3. draw a diagram to justify .

4. caluate image distance and focal length of lens .

5. give an application,in daily life,of this type of lens,in situation similar to one given here.

Answer 1

you should look in your text book
I hope there you will get your answer

Answer 2

Answer:a) convex lens - because it can produce an enlarged and erect image.

b) between centre and focus

D) hi /ho =v/u

So, hi=1.2cm,ho=0.6cm and u =12cm

Therefore v=24cm

E)soory i don't know the application

Explanation: