alleryএকটি ঘড়ির মিনিটের কাঁটা ডিগ্রি প্রতি মিনিটের কোন ধ্রুবক হারে ঘোরে?
A3° প্রতি মিনিট
B4° প্রতি মিনিট
C6° প্রতি মিনিট
D8° প্রতি মিনিট
Answer & Solution
Correct answer: C. 6° প্রতি মিনিট
মিনিটের কাঁটা 60 minutes-এ 360 degrees অতিক্রম করে, যা 6 degrees per minute-এর সমান।
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