Question

the speed of sound in air at zero degree celsius is 332 metre per second if it increases at the rate of 0.6 metre per second per degree what will be the temperature when velocity has increased 344 metre per second

Answer 1

★ SOUND ★

The speed of sound in air at $0$℃ $= 332m/s$

Now, If it increases at the rate of $0.6m/s$ per degree,

Then, Speed at $x$℃ $= (332 + 0.6x)$℃

Thus, $344 = 332 + 0.6x$     
      ⇒ $344 - 332 = 0.6x$     
      ⇒ $12 = 0.6x$

  ∴ $x = \frac{12}{0.6}$
        $= 20$℃

Answer 2

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