User:Sajan1234

Write short notes on : (a) Stroboscope (b) Optical pyrometer

(a) A stroboscope, also known as a strobe, is an instrument used to make a cyclically moving object appear to be slow-moving, or stationary.

(b) The optical pyrometer is a non-contact type temperature measuring device. It works on the principle of matching the brightness of an object to the.