Question
Download Solution PDFএকটি ফাঁপা গোলকের বহিঃ ব্যাসার্ধ 4 সেমি এবং অন্তঃ ব্যাসার্ধ 1 সেমি। এই ফাঁপা গোলকের আয়তন কত?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFপ্রদত্ত:
ফাঁপা গোলকের জন্য,
বহিঃ ব্যাসার্ধ (ro) = 4 সেমি।
অন্তঃ ব্যাসার্ধ (ri) = 1 সেমি।
ব্যবহৃত ধারণা:
ফাঁপা গোলকের আয়তন
ফাঁপা গোলকের আয়তন = 4/3π(ro3 - ri3)
গণনা:
ফাঁপা গোলকের আয়তন = (4/3)π × (43 - 13)
⇒ (4/3)π × (64 - 1)
⇒ (4/3)π × 63
⇒ 84π
∴ ফাঁপা গোলকের আয়তন 84π সেমি3।
Last updated on Jul 7, 2025
-> The SSC CGL Notification 2025 for the Combined Graduate Level Examination has been officially released on the SSC's new portal – www.ssc.gov.in.
-> This year, the Staff Selection Commission (SSC) has announced approximately 14,582 vacancies for various Group B and C posts across government departments.
-> The SSC CGL Tier 1 exam is scheduled to take place from 13th to 30th August 2025.
-> Aspirants should visit ssc.gov.in 2025 regularly for updates and ensure timely submission of the CGL exam form.
-> Candidates can refer to the CGL syllabus for a better understanding of the exam structure and pattern.
-> The CGL Eligibility is a bachelor’s degree in any discipline.
-> Candidates selected through the SSC CGL exam will receive an attractive salary. Learn more about the SSC CGL Salary Structure.
-> Attempt SSC CGL Free English Mock Test and SSC CGL Current Affairs Mock Test.
-> Candidates should also use the SSC CGL previous year papers for a good revision.