Select all the true statements about this situation: Because the orange point is

Question

Select all the true statements about this situation:

Because the orange point is in a region of destructive interference, the net displacement at the orange point is zero at all times.

For destructive interference to occur at the orange point, the distance from each source to the orange point must be an integer number of wavelengths plus half a wavelength.

For destructive interference to occur at the orange point, the path-length difference for the orange point must be an integer number of wavelengths plus half a wavelength.

The path-length difference is the distance the point is from one source minus the distance the point is from the other source.

In this particular case, the orange point is 1.5 wavelengths farther from the left source than it is from the right source.

Explanation / Answer

True statements : Because the orange point is in a region of destructive interference, the net displacement at the orange point is zero at all times. For destructive interference to occur at the orange point, the path-length difference for the orange point must be an integer number of wavelengths plus half a wavelength. The path-length difference is the distance the point is from one source minus the distance the point is from the other source.

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