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Question
ধরি দুইটি সরল দোলক A এবং B । যদি A এর দৈর্ঘ্য B এর দ্বিগুন এবং B এর দোলনকাল 3s হয় তবে A এর দোলনকাল কত?
5.24 s
4.24 s
4.55 s
3.45 s
None
ANSWER : 2
Descrption
<p style="margin-left:0px;">সরল দোলকের দোলনকাল তার দৈর্ঘ্যের বর্গমূলের সমানুপাতিক। সুতরাং, A এর দোলনকাল হবে:</p><p>T_A = T_B * sqrt(L_A / L_B) </p><p>T_A = 3 * sqrt(2 * L_B / L_B) </p><p>T_A = 3 * sqrt(2) </p><p>T_A = 4.24 s </p><p style="margin-left:0px;">অতএব, উত্তর হল <strong>4.24 s</strong>।</p>
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