Question

Helloo!!!

Guys Please Help❤️

Write about the image formation by lenses. ​

Answer 1

Explanation:

Convex Lens

-Image formed ⇒Real(sometimes Virtual), inverted and enlarged

Concave Lens

- image formed ⇒ Virtual, Erect and Diminished

Answer 2

Answer:

All the cases are:

when object is

(a) at infinity

(b) beyond 2F'

(c) at 2F'

(d) between F' and 2F'

(e)at the focus(F')

(f)between optical center (C) and focus (F')

IN CASE OF A CONVEX LENS:

(a)-at the focus

-real and inverted

-highly diminished

(b)-between f and 2f on the other side of the lens

-real and inverted

-diminished

(c)-at a distance 2f on the other side of the lens

-real and inverted

-same size as the object

(d)-beyond 2F'

-real and inverted

-magnified

(e)-at infinity

-real and inverted

-highly enlarged

(f)-behind the object (on left side of lens)

-virtual and erect

-magnified

IN CASE OF A CONCAVE LENS:

(a)-at focus (F')

-virtual and erect

-highly diminished

(b)-between optical center (C) and focus (F')

-virtual and erect

-diminished