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MHT CET Physics question

PhysicsWavesMHT CET

The fundamental frequency of a wire stretched by 2 kgwt is 100 Hz. The weight required to produce its octave is [MHT-CET 2019]

Answer: (B)

Solution

Octave means , and , so kgwt; 4 kgwt would

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Question ID VK-070618