Posted by emi on Sunday, December 9, 2012 at 10:01am.
2.5x/25 = x/do
do=25x/2.5x=10cm
1/di+1/do=1/f
1/25 + 1/10 =1/f
7/50=1/f
f=50/7=7.14 cm
Related Questions
Physics - (a) A 2.20 cm high insect is 1.24 m from a 135 mm focal-length lens. ...
Science Important - 1. A toy of height 18.4 cm is balanced in front of a ...
Physics - A convex lens forms a real image 6 times the size of the object. The ...
physics - 5. An object is 30.0 cm to the left of a convex lens with a focal ...
Physics - An image of a candle is produced by a convex lens 14 cm away. If the ...
Physics - (a) How far from a 53.6 mm focal-length lens must an object be placed ...
Physical Science - Need help please. the once with the ( ) is my answer but i am...
Physics repost - 1)An ____ lens is used to produce a real image. A)convex B)...
Physics - An object is placed 30mm in front of a lens. An image of the object is...
Physics - The crystalline lens of the human eye is a double convex lens made of ...
For Further Reading
