You have a lens whose focal length is 6.91 cm. you place an object on the axis of the lens at a distance of 11.1 cm from it. how far is the object\'s image from the lens?

4.2591 cm

Explanation:

We have given focal length of the lens f=6.91 cm

Object distance u =11.1 cm

We have to find the image distance that is v

For the lens we know that

So

explanation:

could i give you a exaplo that could you?

if the thermos has a vacuum innner, then heat through conv currents and conduction are reduced = vacuum flask