Physics Review Question Unit: Optics Year: 1994 Question#: 95 Question: A lens forms a real image three times the size of the object when the image is .12 m from the lens. How far from the lens is the object? (1 ) .36 m (2 ) .09 m (3 ) .03 m (4 ) .04 m What is this question really asking? Explanation by: Joshua [ Return to question menu ] Answer 1 .36 m INCORRECT The object must be three times closer to the lense than the image. return to top Answer 2 .09 m INCORRECT return to top Answer 3 .03 m INCORRECT return to top Answer 4 .04 m !!!!!!Congrats!CORRECT It is the right answer. It works for the equation. Use the equation: return to top What's this question really asking? Use the ratio of object size to image size. return to top |
[Physics Lessons] [Physics Review] [Physics Links]
This web site is designed and maintained by Science Joy Wagon and may
not be reproduced or redistributed without written permission from Science Joy Wagon. |