Physics, asked by nafeesapatel92, 11 months ago

a concave lens produces an image at 20 cm from the lens of an object placed at 30 cm. find the focal length of the lens

Answers

Answered by fardeenferozkhan

5

Refer attachment!!!

P.s: A concave lens has a negative focal length.

Attachments:

Previous Question

Next Question

Similar questions

Math, 5 months ago

(i) Rakesh's age is less than Sonia's age by 5 years. The sum of their ages is 27 years. How old are they?

Chemistry, 5 months ago

write the name of ch3-ch=ch...

Math, 5 months ago

the curved surface area of a cylinder pillar is 246 metre square and its volume is 924 metre cube the diameter of the pillar is...

Biology, 11 months ago

the additional protective layer in plant ...

India Languages, 11 months ago

Malayalam Essay on Prakirthi Durantham (10-15 sentence) Plz only answer if you know it!

Accountancy, 1 year ago

what is the definition of account ...

English, 1 year ago

Meals are cooked by me.(Change into Passive Voice)...

Physics, 1 year ago

The size of image of an object by a convex lens of focal length 20 cm is observed to be reduced to 1/3rd of its size .Find the distance of the object from optical centre of the lens...