A water wave is produced in a ripple tank.

1. (a)(i)Draw a diagram of a ripple tank and describe how it is used to produce and observe the wave.[4]
2. (a)(ii)The water wave in the ripple tank transfers energy. Describe how to show that there is a transfer of energy.[2]
3. (a)(iii)State what is meant by a wavefront.[2]
4. (b)(i)Fig. 11.1 shows the variation with time t of the height of water at the same place in the tank for two waves P and Q. The height is sometimes above and sometimes below the mean level which is marked as 0. [Figure 11.1] State one difference and one similarity of the two waves. difference similarity[2]
5. (b)(ii) 1.The speed of the water wave is 0.20 m/s. Determine the frequency of wave P, frequency = ................................................................[3][3]
6. (b)(ii) 2.The speed of the water wave is 0.20 m/s. Determine the wavelength of wave P. wavelength = ................................................................[2][2]

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