alleryএটা মানক ১২-ঘণ্টাৰ এনালগ ঘড়ীৰ ঘণ্টাৰ কাঁটাডাল কি ধ্ৰুৱক হাৰত ঘূৰে?
Aপ্ৰতি মিনিটত 0.5°
Bপ্ৰতি মিনিটত 1.0°
Cপ্ৰতি মিনিটত 2.0°
Dপ্ৰতি মিনিটত 6.0°
Answer & Solution
Correct answer: A. প্ৰতি মিনিটত 0.5°
ঘণ্টাৰ কাঁটাডালে 720 মিনিটত 360 ডিগ্ৰী ঘূৰে, যাৰ ফলত ইয়াৰ গতিবেগ প্ৰতি মিনিটত 0.5 ডিগ্ৰী হয়।
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