1.

Two identical wires are stretched and produce 6 beats when sounded together.On changing the tension slightly in one of them ,the beat frequency remains unchanged. Denoting by T_1 and T_2 the higher and the lower initial tension in the two wires,then it can be said that 1. T_2 was decreased 2. T_2 was increased 3. T_1 was increased 4.none of these

Answer» Two identical wires are stretched and produce 6 beats when sounded together.On changing the tension slightly in one of them ,the beat frequency remains unchanged. Denoting by T_1 and T_2 the higher and the lower initial tension in the two wires,then it can be said that 1. T_2 was decreased 2. T_2 was increased 3. T_1 was increased 4.none of these


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