Physics, asked by shawanhussain1720, 11 months ago

a convex lens from a virtual image when an object is placed at a distance of 20 cm from it .the focal length of the lens is ?​

Answers

Answered by ryanschoolproject
16

Answer:

As virtual image is formed in convex lens when the object is placed between optical centre and focus. Therefore the focus of an object will be more than the object distance.

As object distance is 20 cm, the focal length will be more than 20 cm

So your answer is f > 20 cm

Please mark my answer as brainliest.

Similar questions