1. A convex lens has a focal length of 30 cm. If an object is placed 90 cm from the lens, where is the image? Enter your answer in centimeters.

QUESTION 2

B. The image formed by the above lens is (choose 3) Reduced, enlarged, real, upright, inverted, virtual

QUESTION 3

c. A convex lens with a focal length of 10 cm is placed 53 cm from the last lens. The image from the last lens becomes an object for this lens. Where is the image created by the second lens? Enter your answer in centimeters. Include a negative sign for virtual images.

QUESTION 4

D. What is the total lateral magnification of the image formed by the two lenses in the previous question? Include the negative sign if the image is inverted.

Can you explain how you know whether an image is real/virtual/upright/etc.