Methodical recommendation:

Textbook Questions

Number Name Type Difficulty Marks Description
1. Types of sound wave Other easy 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 propagation of sound waves.
2. Reflection 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 ultrasonic waves and the speed of sound waves.
3. Reflections of sound 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 the reflection of sound waves.
4. Echo of sound 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 the conditions for hearing echo.