Question Detail

PHY 104 Pitch, loudness, quality, timber Objective Question

Question

The document draws an analogy between the variation of sound intensity with distance and which other physical phenomenon?
Options
A The behavior of magnetic fields.
B The electric field of a charge or gravitational field of a mass.
Correct Answer
C The force of friction.
D The flow of current in a circuit.
Correct Answer

Option B is the correct answer.

Detailed Explanation

The text states, 'Very much like the behaviour of the electric field of a charge... The energy spreads out spherically very much as the electric field of a point charge or the gravitational field of a mass spread out.'

Hint

The analogy is given immediately after the statement about inverse-square manner.

Question Info