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Sound production and pollution

1.	Sound
2.	Medium and propogation of sound
3.	Human ear
4.	Amplitude,Time period,Frequency
5.	Properties of sound
6.	Range of sound
7.	Noise pollution

1.	Important terms in sound Difficulty: easy	2
2.	Propogation of sound Difficulty: easy	2
3.	Amplitude and frequency Difficulty: easy	2
4.	Characteristics of sound Difficulty: easy	3
5.	Speed of sound in air Difficulty: easy	3
6.	Formula and unit Difficulty: medium	4
7.	Vibrating part of musical instruments Difficulty: medium	2
8.	Numerical based on frequency Difficulty: medium	4
9.	Numerical based on time period Difficulty: medium	4
10.	Musical instruments Difficulty: medium	4
11.	Numericals based on Time period and frequency Difficulty: medium	3
12.	Relation between the number of waves and wavelength Difficulty: medium	4
13.	Wavelength of a sound wave Difficulty: hard	4
14.	Sound characteristics - Assertion and reasoning Difficulty: hard	4

1.	Training test 1 Difficulty: easy	8
2.	Training test 2 Difficulty: easy	7
3.	Training test 3 Difficulty: easy	11

1.

Methodical recommendation

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