Saturday
October 25, 2014

Homework Help: Physics

Posted by Emily on Thursday, May 27, 2010 at 12:19am.

An image of a candle is produced by a convex lens 14 cm away. If the focal length of the lens is 7 cm, how far from the lens is the candle placed?
(USe the thin lens equation)
For this question, how would you know whether the image is virtual or real?(in order to know if the distance to the mirror is negative or positive)

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - i have a question on thin lens equation how do i know when di is ...
physics - A box is placed 50 cm away from a double convex lens. The image is on...
Science Important - 1. A toy of height 18.4 cm is balanced in front of a ...
calculus problem - the thin lens equation in physics is 1/s+1/S=1/f where s is ...
physics - A 7·cm tall candle is placed 125·cm from a lens with a focal length of...
CALCULUS - If you could give an explenation with the answers, that'd be ...
Physics - A lens with a focal length of 25 cm is placed 45 cm in front of a lens...
physics - A CONVEX LENS PRODUCES O REAL AND INVERTED IMAGE 2.5 TIMES MAGNIFIED ...
Physics - An object, that is 3.25 mm high is placed 16 cm in front of a lens. ...
Physics - A simple camera telephoto lens consists of two lenses. The objective ...

Search
Members