A lens of known focal length 200 mm is placed 32 cm from a lamp with a crosshair on
its surface. Where should a screen be placed in order to show a focused image of the
crosshairs projected by the lens?
Tags for this Thread
+ Reply to Thread
Results 1 to 1 of 1
-
10-07-2011, 06:00 AM #1
Senior Member
Status- Offline
Join Date- May 2009
Posts- 538
Downloads- 0
Uploads- 0
distance of screen to have focused image of cross hairs?
ReplyThread Information
Users Browsing this Thread
There are currently 1 users browsing this thread. (0 members and 1 guests)
Similar Threads
-
Okay so I'm 13 have pube hairs armpit hairs a mustache that I've shaved/trimmed
By Prince in forum Discuss LawReplies: 0Last Post: 12-27-2010, 05:25 AM -
Cross country(distance running) or track(sprints/middle distance) which is harder?
By James in forum Sprint PCSReplies: 2Last Post: 10-04-2010, 06:32 PM -
Body sculpture BE6010 cross trainer what distance does it measure in?
By rammstein_freaky in forum Discuss PhotographyReplies: 0Last Post: 04-04-2010, 04:36 PM -
Why is it that America is so focused on image, looks, and being skinny yet it is the...
By Jessica in forum Ælternate Reality - The PhotoChop ShopReplies: 0Last Post: 09-30-2009, 04:42 AM -
diverging lens focal length = 20cm, Image distance? with object distance of 40cm?
By Nik in forum Ælternate Reality - The PhotoChop ShopReplies: 0Last Post: 04-30-2009, 01:11 AM
Bookmarks