Figure (a) shows circular waves from a vibrator at O in a ripple tank. Figure (b) shows the instantaneous displacement of water particles along the line of propagation Ox of the ripples. Figure (a) y/ mm 8.0- 4.0- 1.0+ x/ cm 2 3 Figure (b) (i) Find the wavelength. (ii) Explain why the amplitude of the wave decreases as the distance x increases. (iii) Use the data shown in Figure (b) to calculate the ratio intensity at P intensity at O
Figure (a) shows circular waves from a vibrator at O in a ripple tank. Figure (b) shows the instantaneous displacement of water particles along the line of propagation Ox of the ripples. Figure (a) y/ mm 8.0- 4.0- 1.0+ x/ cm 2 3 Figure (b) (i) Find the wavelength. (ii) Explain why the amplitude of the wave decreases as the distance x increases. (iii) Use the data shown in Figure (b) to calculate the ratio intensity at P intensity at O
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Transcribed Image Text:Figure (a) shows circular waves from a vibrator at O in a ripple tank. Figure (b)
shows the instantaneous displacement of water particles along the line of
propagation Ox of the ripples.
Figure (a)
y/ mm
8.0-
4.0
1.0-
- x/ cm
2 3 4
Figure (b)
(i)
Find the wavelength.
(ii)
Explain why the amplitude of the wave decreases as the distance x
increases.
(m) Use the data shown in Figure (b) to calculate the ratio
intensity at P
intensity at O
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