Ask your own question, for FREE!
Physics 19 Online
OpenStudy (anonymous):

You have a converging lens which focuses the sunrays into a small spot about 12 cm from the lens. Would you be able to tell what a focal length and a optical power of this lens is? Defend your answer.

OpenStudy (anonymous):

what is the meaning of focal length? Draw a diagram.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!