A plane water wave in a ripple tank passes through a narrow gap and undergoes diffraction. Which row in the table correctly describes what happens to the wavelength, frequency, and speed of the wave?
Wavelength: changes; Frequency: changes; Speed: changes
Wavelength: changes; Frequency: remains constant; Speed: remains constant
Wavelength: remains constant; Frequency: changes; Speed: remains constant
Wavelength: remains constant; Frequency: remains constant; Speed: remains constant
237 exam-style questions on CIE IGCSE Physics General properties of waves, covering General properties of waves. Each one has a worked solution and a mark scheme showing where the marks go.