Question
Download Solution PDFকাঠের একটি ব্লক জলে ভাসছে, যার আয়তনের 65% জলের নিচে রয়েছে। এর ঘনত্ব (কেজি/মি3) প্রায়:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFসঠিক উত্তর হল 0.65 × 103.
Key Pointsজলের ঘনত্ব = 1000kg/m3
কাঠের মোট আয়তন V হোক।
জলের ওজন = আপথ্রাস্ট
কাঠের ঘনত্ব*V*g = 1000*0.65V*g
অতএব, কাঠের ঘনত্ব = 0.65 × 103 কেজি/মি3
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