The diagram shows a wave. What are the amplitude and the wavelength of this wave?
A.
B.
C.
D.
Exam No：0625_s23_qp_12 Year：2023 Question No：17
Answer:
B
Knowledge points:
3.1.1 Demonstrate understanding that waves transfer energy without transferring matter
3.1.10 Describe how wavelength affects diffraction at an edge
3.1.2 Describe what is meant by wave motion as illustrated by vibration in ropes and springs and by experiments using water waves
3.1.3 Use the term wavefront
3.1.4 Give the meaning of speed, frequency, wavelength and amplitude
3.1.5 Distinguish between transverse and longitudinal waves and give suitable examples
3.1.6.1 reflection at a plane surface
3.1.6.2 refraction due to a change of speed
3.1.6.3 diffraction through a narrow gap
3.1.7 Describe the use of water waves to demonstrate reflection, refraction and diffraction
3.1.8 Recall and use the equation v =f λ
3.1.9 Describe how wavelength and gap size affects diffraction through a gap
Solution:
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