When a crest and trough of equal implitude and wavelength superpose there is destructive interference. What happens to the energy?

What happens when:

What is the path difference of destructive interference

When rubber sheets are used in a shock absorber, what happens to the energy of vibration ?

What happens when ? (i)

When waves interfere , is there any loss of energy ?

What happens when PCl_5 is heated?

How should two waves superpose each other such that there is (i) constructive interference and (ii) destructive interference.

An oil film covers the surface of a small pond. The refractive index of the oil is greater than that of water. At one point on the film, the film has the smallest non-zero thickness for which there will be destructive interference in the reflected light when infrared radiation with wavelength 800 nm is incident normal to the film. When this film is viewed at normal incidence at this same point, for what visible wavelengths, if any, will there be constructive interference? (Visible light has wavelengths between 400nm and 700 nm )

What happens when alcohol is taken?

What is the energy of a proton possessing wavelength 0.4A ?