PUMPA - THE SMART LEARNING APP

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Theory

Practice Questions

1. Numerical based on velocity

Difficulty: easy

3
2. Formula and unit

Difficulty: easy

4
3. Properties of a sound in terms of amplitude and frequency

Difficulty: easy

3
4. Frequency of sound wave

Difficulty: easy

2
5. Vibrating part of musical instruments

Difficulty: medium

2
6. Sound range

Difficulty: medium

6
7. Numerical based on frequency

Difficulty: medium

3
8. Nature and types of sound

Difficulty: medium

2
9. Laws of reflection based exercise

Difficulty: medium

2
10. Numerical based on velocity of sound

Difficulty: medium

4
11. Range of sound waves

Difficulty: medium

3
12. Check whether the sound is audible or inaudible

Difficulty: medium

5
13. Riddles on sound waves

Difficulty: medium

4
14. Frequency of heartbeat rate

Difficulty: medium

4
15. Comparison between light and sound

Difficulty: medium

3
16. Numerical relates wavelength with frequency and speed

Difficulty: medium

3
17. Numerical based on SONAR

Difficulty: hard

5
18. Time of splash

Difficulty: hard

4
19. Numerical based on sound travel

Difficulty: hard

4
20. Time taken by the sound wave

Difficulty: hard

5

Teacher manual