Question

The velocity of sound at 0 °C is v0. What will be its velocity at 819 °C?

पर्याय

• 2v₀

• 1.05v₀

• 3v₀

• 4.05v₀

Answer 1

2v₀

Explanation:

T = 27 °C = 819 + 273 = 1092 K

`"v"/"v"_0 = sqrt("T"/"T"_0) = "v"_0 sqrt(1092/273)`

`"v" = 2"v"_0`