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Through how many radians does the hour hand of a clock rotate in (5) hours (36) minutes?घड़ी की घंटे वाली सुई (5) घंटे (36) मिनट में कितने रेडियन घूमती है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\frac{14\pi}{15})(\frac{14\pi}{15})
(5) hours (36) minutes (=\frac{28}{5}) hours and the hour hand rate is (\frac{\pi}{6}) radians per hour. Hence the angle is (\frac{28}{5}\times\frac{\pi}{6}=\frac{14\pi}{15}).(5) घंटे (36) मिनट (=\frac{28}{5}) घंटे और घंटे सुई की दर (\frac{\pi}{6}) रेडियन प्रति घंटा है। इसलिए कोण (\frac{28}{5}\times\frac{\pi}{6}=\frac{14\pi}{15}) है।
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