Theory

Practice Questions

1. Formula and unit

Difficulty: easy

4
2. Vibrating part of musical instruments

Difficulty: easy

2
3. Numericals based on Time period and frequency

Difficulty: easy

3
4. Sound waves and their nature

Difficulty: easy

2
5. Velocity of sound waves

Difficulty: easy

4
6. Sound range

Difficulty: medium

6
7. Types of sound waves

Difficulty: medium

6
8. Wavelength of a sound wave

Difficulty: medium

4
9. Nature and speed of the sound wave

Difficulty: medium

4
10. Riddles on sound waves

Difficulty: medium

4
11. Numerical based on time period

Difficulty: medium

3
12. Basics of acoustics

Difficulty: medium

4
13. Comparison between light and sound

Difficulty: medium

3
14. Sound- Match the right terms

Difficulty: medium

4
15. Amplitude and frequency

Difficulty: medium

2
16. Assertion and reasoning type excercise

Difficulty: medium

6
17. Range of sound waves

Difficulty: medium

3
18. Numerical based on SONAR

Difficulty: medium

4
19. Numerical based on the speed of the sound wave

Difficulty: medium

4
20. Numerical based on the time period

Difficulty: medium

4
21. Numerical based on the wavelength of a sound wave

Difficulty: medium

4
22. Speed of sound waves in water

Difficulty: medium

4

Key Questions for School Exam Preparation

1. Numerical to find the height of the cloud

Difficulty: medium

4
2. Speed of the sound in air

Difficulty: hard

5
3. Time of splash

Difficulty: hard

8
4. Apparent frequency of a sound wave

Difficulty: hard

10
5. Numerical based on speed of sound

Difficulty: hard

6

Teacher manual