Methodical recommendation:

Textbook Questions

Number Name Type Difficulty Marks Description
1. Range of waves Other medium 2 m. This exercise contains two key questions and answers, which hold one mark each. The student has to choose the best answers. As an outcome of this exercise, the student will learn about Infrasonic vibrations and range of sonic waves.
2. Ultrasonic waves Other medium 2 m. This exercise contains two key questions and answers, which hold one mark each. The student has to choose the best answers. As an outcome of this exercise, the student will learn about ultrasonic waves and range of sound waves.
3. Audible range of waves Other hard 3 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 frequency of the wave.
4. Audible frequency Other hard 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 frequency of the wave.
5. Units to measure sound Other hard 2 m. This exercise contains two key questions and answers, which hold one mark each. The student has to choose the best answers. As an outcome of this exercise, the student will learn about the properties and speed of sound.