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object placed 30 cm in front of a converging lens forms an image 15 cm behind the lens. a) What are the focal length of the lens? b) What are the lateral magnification of the image? M =

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter2: Geometric Optics And Image Formation

Section: Chapter Questions

Problem 114P: A lamp of height S cm is placed 40 cm in front of a converging lens of focal length 20 cm. There is...

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Question

An object placed 30 cm in front of a converging lens forms an image 15 cm behind the lens.

a) What are the focal length of the lens?

b) What are the lateral magnification of the image?

M =

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