Question

What is mirror equation ?​

Answer 1

Answer:

The mirror equation expresses the quantitative relationship between the object distance (do), the image distance (di), and the focal length (f).

Answer 2

Explanation:

Minor Loss Equation:

hm = head loss due to a fitting and has units of ft or m of fluid. It is the energy loss due to a fitting per unit weight of fluid. K = minor loss coefficient for valves, bends, tees, and other fittings - table of minor loss coefficients