Available Answers

1. 1.

   How is sound produced?

2. 2.

   What is time period of vibration?

3. 3.

   Why is a tuner fork used in the laboratory?

4. 4.

   How do bats find their way?

5. 5.

   If small bits of paper are placed on a drum, why do they jump when the drum is struck?

6. 6.

   How is frequency different from amplitude?