The explosion of a firecracker in the air at a height of produces a sound level at…

PHYSICS · Subjective · A Level · Physics · Waves · Waves

Problem

The explosion of a firecracker in the air at a height of

40\,\text{m}

produces a

100\,\text{dB}

sound level at the ground below. What is the instantaneous total radiated power, assuming that it radiates as a point source?