Waves WS1 WS2 Answer

I do not have time to go through the answers with you. Kindly complete and check on your answers for WS1 and WS2.

Besides these, kindly complete EOY revision package and the 3 examination papers which i given you. Check your answers against the answer sheets provided.

For this page 4 WS1, pls ignore the one below. Refer to this updated picture. 

For WS2, Question 4(f) please refer to this updated answer instead.