Cambridge Secondary (7-9). Stage 9. Science. Learner's Book - Unit 6: Sound and space - Question 37

The table gives information for two waves that will meet to reinforce. Copy the table and complete the missing information about the one wave that is formed.

| Two waves before reinforcing: frequency / Hz | Amplitude of each / mm | Resulting frequency / Hz | Resulting amplitude / mm |
|---|---|---|---|
|450|0.5|…|…|