Chemistry Optic fibres are used in : Options:A. CAT scansB. X-ray photosC. Ultrasound scansD. EndoscopyView AnswerD. Endoscopy Continue Reading Previous: __________ is one of the allotropic modifications of carbon.Next: Water Gas is a mixture of two gases Hydrogen & Carbon monoxide, while separating Hydrogen gas by liquification process which one is liquefied first__?