allery20 চেণ্টিমিটাৰ বাই 15 চেণ্টিমিটাৰ ভিত্তিৰ টেংকত ডুবাই ৰখা ঘনক এটাৰ প্ৰান্তৰ দৈৰ্ঘ্য বিচাৰক। পানীৰ স্তৰ বৃদ্ধি 5.76 চেণ্টিমিটাৰ। কোনো পানী ছিটিকি নাযায়।
A8 cm
B14 cm
C12 cm
D10 cm
Answer & Solution
Correct answer: C. 12 cm
ঘনকটোৱে 20 × 15 × 5.76 = 1728 চে.মি. ³ স্থানচ্যুত কৰে, গতিকে ইয়াৰ প্ৰান্ত ∛1728 = 12 চে.মি.
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