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A string is stretched between fixed points seperated by 75 cm. It is observed to have resonant frequencies of 420 Hz and 315 Hz. There are no other resonant frequencies between these two. Then, the lowest resonant frequency for this string is
Options
(a) 10.5 Hz
(b) 105 Hz
(c) 1.05 Hz
(d) 1050 Hz
Correct Answer:
105 Hz
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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- Assuming the sun to have a spherical outer surface of radius r
- The range of voltmeter is 10V and its internal resistance is 50Ω.
- A uranium nucleus ₉₂ U ²³⁸ emits an α-particle and a β-particle in succession.
- In a given reaction, ᴢXᴬ → ᴢ+1Yᴬ → ᴢ-1Kᴬ⁻⁴ → ᴢ-1Kᴬ⁻⁴
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Topics: Waves (80)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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