Multiple choice question for engineering Set 1 1. ___________ system may include lenses, mirrors, slits, diaphragm etc. a) Photo system b) Radiant system c) Cardiac system d) Optical system AnswerAnswer: d [Reason:] : A detecting system for the measurement of unabsorbed radiant energy, which could be the human eye, a barrier-layer cell, phototube or photo-multiplier…
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