Homework Help: Physics

Posted by Sonia on Monday, April 25, 2011 at 4:18pm.

I have been working on this homework question for a bit, but I just can't get it. Please help me!

Where must an object be placed with respect to a convex lens (f=20cm) to generate an upright image that is 4 times as large as the object?

10 cm in front
10 cm behind
55 cm in fromt
55 cm behind
20 cm in front
20 cm behind
15 cm in front
15 cm behind
none listed

I think 55 cm in front, but I'm not sure.

Physics - Sandy, Friday, April 5, 2013 at 1:54pm
15 cm in front

Answer this Question

Related Questions

Physics - I have been working on my Phys homework and came accross this question...
Physics - I have been working on this problem all day and i just cant get the ...
CHEM (DrBob222) - I had posted the question to that previous chem question, ...
Physics (Geometry bit) - ok i got my diagram posted question earlier it wouldn&#...
Physics - An object turns without changing its speed. Which of the following is ...
Chemistry - A sample of C3H8 has 2.64 x 10^24 atoms. How many carbon atoms does...
Probability - Given additional information that 56% of the total employees in ...
1st grade homework question - can the earths minerals be all used up or do they ...
Computer problem: related to finishing my homework - This is not a homework ...
History-Civil War - To:Damon..His little bit of written info really helps me to ...

For Further Reading

First Name:
School Subject:
Answer: