Question

A convex lens has a focal length of 10 cm. What is the magnification produced when the object is placed 30 cm from the lens?

• A. 2
• B. 1.5
• C. 1
• D. 4

Hint:

Remember: The magnification of a lens can be found using the formula \( M = \frac{v}{u} \), and the sign conventions are important.