Problem P. 3792. (April 2005)
P. 3792. A collecting lens makes a 6 cm high real image of a 12 cm high object on a screen at a 45 cm distance from the object. Determine the position of the lens and its focal length with plotting and calculation.
(4 pont)
Deadline expired on 11 May 2005.
Statistics:
>146 students sent a solution.  
4 points:  61 students. 
3 points:  74 students. 
2 points:  4 students. 
1 point:  6 students. 
0 point:  1 student. 
