सेकंड सुई (2) मिनट (15) सेकंड में कितने रेडियन घूमेगी?
Through how many radians will the second hand turn in (2) minutes (15) seconds?
Explanation opens after your attempt
Correct Answer
C. \(\frac{9\pi}{2}\)
Concept
The second hand turns \(2\pi\) in (60) seconds. In (135) seconds the angle is \(\frac{9\pi}{2}\).
Why this answer is correct
The correct answer is C. \(\frac{9\pi}{2}\). The second hand turns \(2\pi\) in (60) seconds. In (135) seconds the angle is \(\frac{9\pi}{2}\).
Exam Tip
सेकंड सुई (60) सेकंड में \(2\pi\) घूमती है। (135) सेकंड में कोण \(\frac{9\pi}{2}\) है।
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