MPSC Rajyaseva 2021 CSAT — Question 25
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अवरक्त प्रकाश किरणांची वारंवारिता ही जांभळ्या रंगाच्या प्रकाश किरणे पेक्षा ____________. Frequency of infrared light is ____________ than violet light.
1)कमी असते / Less than✓ Correct
2)जास्त असते / Greater than
3)बरोबर असते / Equal to
4)वरीलपैकी एकही नाही / None of the above
Infrared light has longer wavelengths and lower frequency compared to violet light, which has the highest frequency in the visible spectrum.
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विद्युतचुंबकीय लहरींची पुढीलपैकी कोणती उदाहरणे आहेत ? / Which of the following are examples of electromagnetic waves ?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.
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