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Types, properties and applications of sound

1.	Introduction
2.	Propogation of sound
3.	Sound wave
4.	Characteristics of a sound wave
5.	Properties of sound
6.	Speed of a sound
7.	The speed of sound in different media
8.	Reflection of sound
9.	Echo
10.	Ultrasound and its applications
11.	SONAR and its applications
12.	Structure of human ear

1.	Characteristics of sound Difficulty: easy	3
2.	Properties of a sound in terms of amplitude and frequency Difficulty: easy	3
3.	Speed of sound in different medium Difficulty: easy	2
4.	Numericals based on Time period and frequency Difficulty: easy	3
5.	Range of sound waves Difficulty: medium	3
6.	Sound range Difficulty: medium	6
7.	Riddles on sound waves Difficulty: medium	4
8.	Frequency of pulse rate Difficulty: medium	4
9.	Comparison between light and sound Difficulty: medium	3
10.	Numerical relates wavelength with frequency and speed Difficulty: medium	3
11.	Wavelength of the sound wave Difficulty: medium	3
12.	Structure of human ear-In general Difficulty: medium	3
13.	Wavelength of a sound wave Difficulty: medium	4
14.	Numerical based on SONAR Difficulty: medium	5
15.	Relation between sound and equations of motion Difficulty: hard	4
16.	Speed of the sound in air Difficulty: hard	5
17.	Time taken by the sound wave Difficulty: hard	5
18.	Time of splash Difficulty: hard	4

1.	Training test 1 Difficulty: easy	10
2.	Training test 2 Difficulty: easy	9

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