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Theory

Practice Questions

1. Properties of a sound in terms of amplitude and frequency

Difficulty: easy

3
2. Important terms of sound

Difficulty: easy

2
3. Important terms of sound wave

Difficulty: easy

2
4. Speed of sound in air

Difficulty: easy

3
5. Propogation of sound

Difficulty: easy

2
6. Characteristics of sound

Difficulty: medium

3
7. Relation between the number of waves and wavelength

Difficulty: medium

4
8. Time period (Numericals)

Difficulty: medium

3
9. Vibrating part of musical instruments

Difficulty: medium

2
10. Numericals based on Time period and frequency

Difficulty: medium

3
11. Formula and unit

Difficulty: medium

4
12. Nature and types of sound

Difficulty: medium

4
13. Wavelength of a sound wave

Difficulty: medium

4
14. Speed of sound wave

Difficulty: medium

3
15. Numerical relates wavelength with frequency and speed

Difficulty: medium

3
16. Relate the terms - Wave types

Difficulty: hard

4
17. Check whether the sound is audible or inaudible

Difficulty: hard

5
18. Sound characteristics - Assertion and reasoning

Difficulty: hard

6

Tests

1. Training test 1

Difficulty: easy

8
2. Training test 2

Difficulty: easy

9
3. Homework 1

Difficulty: medium

18

Teacher manual