Question text
20 In a shallow tank, a water wave moves through a barrier with a narrow gap. The diagram shows the waves on the left-hand side and the right-hand side of the barrier. water wave Which term describes the effect shown? A reflection B dispersion C refraction D diffraction
20 In a shallow tank, a water wave moves through a barrier with a narrow gap. The diagram shows
the waves on the left-hand side and the right-hand side of the barrier.
water
wave
Which term describes the effect shown?
A reflection
B dispersion
C refraction
D diffraction
Select your answer: