Methodical recommendation:
Textbook Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Time taken to hear the echo | Other | medium | 2 m. | This exercise contains one key question and answer, which holds three marks. The student has to choose the best answers. As an outcome of this exercise, the student will learn to calculate the time taken to hear the echo from the cliff. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Properties of a sound in terms of amplitude and frequency | Other | easy | 3 m. | Contains excercise about Amplitude and frequency |
| 2. | Numerical based on velocity of sound | Other | medium | 4 m. | Contains numerical bassed on velocity of sound. |
| 3. | Numerical based on sound travel | Other | hard | 4 m. | Contains exercise about sound travel. |