$v \propto \sqrt{T}$
$$\frac{v_{20}}{v_0} = \sqrt{\frac{293}{273}} \approx 1.036$$
$$v_{20} \approx 332 \times 1.036 \approx 344\,\text{m/s}$$
Back to JEE Main 2022 Waves & Oscillations
JEE Main 2022 — Physics Waves & Oscillations
easy
mcq
2022
Official previous-year question
Verified 30 May 2026.
Question
The speed of sound in air at $0°C$ is $332\,\text{m/s}$. The speed at $20°C$ is approximately:
Options
- A
$344\,\text{m/s}$
- B
$352\,\text{m/s}$
- C
$320\,\text{m/s}$
- D
$366\,\text{m/s}$
Solution
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