alleryএটা চুঙাৰ ব্যাসাৰ্ধ দুগুণ কৰা হয় আৰু ইয়াৰ উচ্চতা আধা কৰা হয়। ইয়াৰ আয়তনৰ কি পৰিৱৰ্তন হ'ব?
Aই চাৰি গুণ হয়
Bই আধালৈ হ্ৰাস পায়
Cই অপৰিৱৰ্তিত থাকে
Dই দুগুণ হয়
Answer & Solution
Correct answer: D. ই দুগুণ হয়
আয়তন r squared আৰু h ৰ গুণফল অনুসৰি পৰিৱৰ্তিত হয়, গতিকে 4 x 1/2 = 2 আৰু আয়তন দুগুণ হয়।
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