| |||||||
| Telescope Forum Telescope Forum. Discuss telescopes in this forum. |
Two lenses, of focal lengths 3.1 cm and 28.0 cm, are used to build a small
Telescope Forum
 | | | | |
| ||||
 |  | | ||
 | |
 |
| | LinkBack | Thread Tools | Display Modes |
04-15-2008, 10:01 PM
| |||||||||||
| |||||||||||
 Two lenses, of focal lengths 3.1 cm and 28.0 cm, are used to build a small telescope.? Two lenses, of focal lengths 3.1 cm and 28.0 cm, are used to build a small telescope. (a) Which lens should be the eyepiece? 28.0 cm 3.1 cm (b) What is the angular magnification? (c) How far apart are the two lenses in the telescope? cm      |
| | ||||
| ||||
 Sponsored Site |
|
04-15-2008, 10:47 PM
| |||||||||||
| |||||||||||
| the following answer is for an astronomical telescope in normal adjustment [that is ...image at infinity] a) focal length of eyepiece should be the smaller one... 3.1 b)angular magnification =fo/fe where fo=focal length of objective and fe of the other 9.032 c)Length=fo+fe 31.1 cm these are the answers i got...and i hope they're correct...if not...srry hope ive been of help  |
|
« Telescope Questions?
|
An astronomical telescope provides an angular magnification of 12. The two... »
| Thread Tools | |
| Display Modes | |
Linear Mode
| |
Similar Threads | ||||
| Thread | Thread Starter | Forum | Replies | Last Post |
| in universe at war earth assault how do you build superweapons? | MC Signal | Earth Forum | 0 | 03-30-2008 08:31 PM |
| why arent the magnifications of both ocular lenses of a binocular microscope... | melinda_redneck1 | Binoculars Forum | 0 | 03-14-2008 07:58 AM |
| How do they keep small meteorites from striking the lenses of the hubble space | Mike H | Telescope Eyepieces Forum | 0 | 03-14-2008 07:50 AM |
| help! if you buid a telescope with a focal length of 1.3 m, what focal length... | marykate | Telescope Eyepieces Forum | 0 | 03-12-2008 09:28 PM |
| i want to build a dobsonian telescope, were can i find the mirrors? (the | karla i | Dobsonian Telescopes Forum | 1 | 02-14-2008 09:31 PM |
All times are GMT. The time now is 02:26 PM.
