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  • Which of the following option (s) are correct? Option: 1 <img alt="" src="https://cdn.entrance360.com/media/uploads/2023/08/23/1012_1.png" style

Which of the following option (s) are correct? 

Option: 1


Option: 2


Option: 3

.


Option: 4

.


Answers (1)

best_answer

(A) Velocity of sound \left ( V_s \right ) wave in air is independent of pressure, if T= constant

(B). V=\sqrt{\frac{\gamma RT}{m}}=\sqrt{\frac{\gamma R(t+273)}{m}}

 or \quad V^2 \propto (t+273)

(c) V=\sqrt{T / \mu} \\

\therefore \quad V \propto \sqrt{T} \\

\operatorname{V}^2 \propto T \\

(D) f_0 =\frac{V}{2 l} \text { or } \frac{V}{4 l} \\

\Rightarrow \quad f_0 \propto \frac{1}{l}
 

Posted by

Ajit Kumar Dubey

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