Wednesday

October 1, 2014

October 1, 2014

Posted by **Matrix School 2** on Wednesday, July 22, 2009 at 3:03pm.

Determine the focal lenght of the lens.

solution

1/v + 1/u = 1/f

u=10cm, v=6cm, f=?

6+10/60 = 1/f

70/60 = 1/f

by cross multiply we have

70 x f = 60 x 1

70 x f = 60

f = 60/70 = 6/7 ans.

- Geometric & Wave Optics -
**bobpursley**, Wednesday, July 22, 2009 at 8:32pmsee other.

**Answer this Question**

**Related Questions**

Geometric & Wave Optics Correction - when an object is placed 10cm away from a ...

marymount academy - 1.An object 2.5cm high is placed 10cm from a converging lens...

calculus problem - the thin lens equation in physics is 1/s+1/S=1/f where s is ...

Physics ( optics) - A simple camera telephoto lens consists of two lenses. The ...

OPTICS - A real object is placed 25cm in front of a thin meniscus lens with a ...

Physics - An object is placed 30mm in front of a lens. An image of the object is...

Physics - An object, that is 3.25 mm high is placed 16 cm in front of a lens. ...

physics - An object is placed (a)6cm (b)20 from a thin convex lens of focal ...

theoretical optics - Whereb must an object be placed from a concave mirror of ...

Physical Science - Need help please. the once with the ( ) is my answer but i am...