Which statement best describes the superposition principle?
If two in-phase waves arrive simultaneously at a point, their amplitudes add up.
If two out-of-phase waves arrive simultaneously at a point, their amplitudes add up.
If two in-phase waves arrive at a point one after another, their amplitudes add up.
If two out-of-phase waves arrive at a point one after the other, their amplitudes adds up.

Question

Which statement best describes the superposition principle?
If two in-phase waves arrive simultaneously at a point, their amplitudes add up.
If two out-of-phase waves arrive simultaneously at a point, their amplitudes add up.
If two in-phase waves arrive at a point one after another, their amplitudes add up.
If two out-of-phase waves arrive at a point one after the other, their amplitudes adds up.

anonymous · Answer

If two in-phase waves arrive simultaneously at a point, their amplitudes add up.