K kelly1 New member Joined Apr 1, 2006 Messages 21 Apr 1, 2006 #1 Another word problem. Any help is greatly appreciated!! Use the formula 1/f=1/0+1/i to find the image distance i for an object that is 2,000,000 mm from a 250-mm telephoto lens. Thanks!!
Another word problem. Any help is greatly appreciated!! Use the formula 1/f=1/0+1/i to find the image distance i for an object that is 2,000,000 mm from a 250-mm telephoto lens. Thanks!!
stapel Super Moderator Staff member Joined Feb 4, 2004 Messages 16,550 Apr 1, 2006 #2 Define the variables. Tell which number goes with which. Then show how far you have gotten in the "plug-n-chug" process. Thank you. Eliz.
Define the variables. Tell which number goes with which. Then show how far you have gotten in the "plug-n-chug" process. Thank you. Eliz.
