Monday

December 22, 2014

December 22, 2014

Posted by **Anonymous** on Tuesday, March 27, 2012 at 5:08pm.

- physics -
**Elena**, Wednesday, March 28, 2012 at 12:50pmThin Lens Equation

1/d +1/f = 1/F,

where d is the object distance,

f is the image distance

F is the focal length

A is the size of the object

B is the size of the image.

B = 0.55•A,

From the similarity of triangles

d/A = f/B

d = (A/B) •f = f/0.55

F = d•f/(d+f) =f/1.55=0.3/1.55 = 0.194 m

**Answer this Question**

**Related Questions**

physics - A convex lens is needed to produce an image that is 0.70 times the ...

Physics - A convex lens forms a real image 6 times the size of the object. The ...

Science Important - 1. A toy of height 18.4 cm is balanced in front of a ...

Physics - An object is placed 30mm in front of a lens. An image of the object is...

Physics - An object is placed in front of a converging lens in such a position ...

calculus problem - the thin lens equation in physics is 1/s+1/S=1/f where s is ...

Physics - an object that is 6 cm in height is put 9 cm from a convex lens. The ...

physical - If a student desires to produce three times larger and an erect image...

Physica - If a student desires to produce three times larger and an erect image ...

Physica - If a student desires to produce three times larger and an erect image ...