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ID#5740 HSC Physics 1st MCQ (Sylhet 2025)

m = 1.5 kg এবং K = 1000 Nm⁻¹ হলে স্প্রিংয়ের কম্পনের কম্পাঙ্ক (f) কত?
ক) 4.1 Hz
খ) 4.11 Hz
গ) 5 Hz
ঘ) 5.11 Hz

ব্যাখ্যা

$f = \frac{1}{2pi}\sqrt{\frac{K}{m}} = \frac{1}{2 \times 3.1416}\sqrt{\frac{1000}{1.5}}$
$f = 0.159 \times 25.82 \approx 4.11 Hz$।
Resource Details
Exam HSC
Subject Physics 1st paper
Chapter 8
Board Sylhet
Year 2025

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