MPSC Rajyaseva 2016 GS Paper 1 — Question 46
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पुढील दोन विधानांपैकी कोणते योग्य आहे ? अ. अतिनील किरणे किरकोळ गाठींवर उपयुक्त ठरतात. ब. अवरक्त किरणे रासायनिक द्रव्यांचे पृथक्करण करतात. Which one of the following two statements is correct ? a. Ultraviolet rays help in diagnosis of small tumours. b. Infrared rays help in analysis of chemical compounds.
(a)अतिनील किरणे किरकोळ गाठींवर उपयुक्त ठरतात. / Ultraviolet rays help in diagnosis of small tumours.
(b)अवरक्त किरणे रासायनिक द्रव्यांचे पृथक्करण करतात. / Infrared rays help in analysis of chemical compounds.
Ultraviolet rays are not used for diagnosing small tumours (X-rays, gamma rays or MRI are used), and infrared rays are used for studying molecular structure and thermal imaging rather than general chemical compound separation.
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