Ok so had a lab where we used spherical mirrors and got the focal length and object distance etc by just using a meter stick mirror and light. Pretty common basic physics experiment(I think). But I was asked How to devise a method for using the lens to calculate the height of one of the windows you can see outside. I have to explain the process in detail how I would do it. I am kind of stuck.
2. Relevant equations
possible magnification but dont think
3. The attempt at a solution
well what i think is that would have to measure the focal length and get the distance first, then somehow use geometry angles to get the height of the structure, would probably need to know height of building in which you are measuring. Iam just not sure if you could explain to me a method it will help me out alot. thanks