Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Sound waves: Reflection and applications | This theoretical material consists of concepts including sound waves: reflection, echo, reverberation, ultrasonic and infrasonic waves, and their applications. |
| 2. | Simulation - Reflection of Sound |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Reflection of sound | Other | easy | 2 m. | This exercise contains MCQ based question about the concept of reflection of sound and echo. |
| 2. | Analysing the statements | Other | easy | 2 m. | This exercise contains true or false statements where the students has to analyse the statements and choose whether the given statements are true or false. |
| 3. | A&R - Reflection of sound and applications | Other | medium | 2 m. | This exercise contains assertion and reason based statements about the concept of reflection of sound and applications. |
| 4. | NCERT | Revise, Reflect, Refine | Intext | Pg. No 204 | Q4 | Echo or Reverberation | Other | medium | 4 m. | This exercise contains one textbook based question about identifying whether the given situation produces an echo or reverberation. |
| 5. | CBQ - Exploring Reflected Sound | Other | medium | 2 m. | This exercise contains a case based question about the concept of exploring reflected sound. |
| 6. | NCERT | Revise, Reflect, Refine | Intext | Pg. No 205 | Q10 |Distance travelled by the ship | Other | medium | 1 m. | This exercise contains one textbook based numerical problem based on the ship and calculating its distance. |
| 7. | NCERT | Revise, Reflect, Refine | Intext | Pg. No 205 | Q11 |Time taken for the wave to travel | Other | medium | 1 m. | This exercise contains one textbook based question in which students has to calculate the time taken for the wave to travel. |
| 8. | CBQ - Data Interpretation: SONAR | Other | hard | 4 m. | This exercise contains one case based question about the concept of data interpretation of SONAR. |
| 9. | CBQ - Ultrasonic and Infrasonic Waves and Their Applications | Other | hard | 5 m. | This exercise contains a case based question about the concept of ultrasonic and infrasonic waves and their applications. |
| 10. | Working of SONAR | Other | hard | 5 m. | This exercise contains a question about the working of SONAR and a problem attached with the application of SONAR. |