1
WB JEE 2016
MCQ (Single Correct Answer)
+1
-0.25
For air at room temperature, the atmospheric pressure is 1.0 $$ \times $$ 105 Nm$$-$$2 and density of air is 1.2 kgm$$-$$3. For a tube of length 1.0 m, closed at one end, the lowest frequency generated is 84 Hz. The value of $$\gamma$$ (ratio of two specific heats) for air is
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