From this point of view, thunder and firecrackers are not regarded as similar things, because both of them are "stagnant gas" trying to diverge.
Consider a sound wave propagating through a stagnant gas with velocity a, as sketched in Fig. 8.4a.
From this point of view, thunder and firecrackers are not regarded as similar things, because both of them are "stagnant gas" trying to diverge.
Consider a sound wave propagating through a stagnant gas with velocity a, as sketched in Fig. 8.4a.