find the focal length of given concave mirror by using two pin method
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Using the two-pin approach, it is possible to determine the focal period of concave replication in several steps:
- Make sure that you have good equipment for the situation
- find out the distance degree between the wires and repeat through the dimensions
- call the respective values u and v
- and calculate the focal duration with the aid of the formula f=uv/(u+v)).
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