Thursday

November 27, 2014

November 27, 2014

Posted by **help please** on Sunday, March 1, 2009 at 6:57pm.

- Algebra -
**drwls**, Sunday, March 1, 2009 at 7:06pm250 mm is the focal length, f.

2*10^6 mm (2km) is the object distance, which you call "o". (It is usually written Do.)

Solve the equation provided to compute the image distance "i".

1/i = 1/250 - 1/(2*10^9)

"i" will be only slightly larger than 250 mm

**Answer this Question**

**Related Questions**

Algebra - check to see if correct - Telephoto lens. Use the formula from ...

algebra - Solve problem. Telephoto lens. find the image distance i for an object...

physics - Telephoto lenses allow one to "zoom in" on distant objects, making ...

physics - Telephoto lenses allow one to "zoom in" on distant objects, making ...

physics - Telephoto lenses allow one to "zoom in" on distant objects, making ...

Physics - Telephoto lenses allow one to "zoom in" on distant objects, making ...

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

Physics - A simple camera telephoto lens consists of two lenses. The objective ...

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

Physics repost please clarify - A converging lens has a focal length of 0.060 m...