Posted by **Zachary** on Wednesday, March 27, 2013 at 10:32pm.

A certain LCD projector contains a single thin lens. An object 23.5 mm high is to be projected so that its image fills a screen 1.87 m high. The object-to-screen distance is 3.05 m.

(a) Determine the focal length of the projection lens.

mm

(b) How far from the object should the lens of the projector be placed in order to form the image on the screen?

mm

## Answer This Question

## Related Questions

- college physics - A 4.5 cm long insect is perpendicular to the optical axis of a...
- Physics - When a converging lens is used in a camera (as in the first drawing), ...
- physics - Suppose an object is placed at a distance x from a screen and a ...
- physics - 2. An object is 20.0 cm from a converging lens, and the image falls ...
- calculus problem - the thin lens equation in physics is 1/s+1/S=1/f where s is ...
- physics - The moon's diameter is 3.48 106 m, and its mean distance from the ...
- physics - A 17.1 cm focal-length lens is used to project 35 mm slides onto a ...
- physics - For a fixed distance L between the object and the screen, there are ...
- Physics - A converging lens (f = 27.5 cm) is used to project an image of an ...
- marymount academy - 1.An object 2.5cm high is placed 10cm from a converging lens...

More Related Questions