MCQ PracticeWhich of the following is a source used in spectroscopy?Subject: Biotechnology EngineeringTopic: Analytical Tools In BiotechnologyALASERBTube lightCSodium vapour lampDTungsten lampCorrect Answer: DPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the