Question 15 Marks

Answer

Nature of sound	Unpleasant	Pleasant
1. Speaking		✓
2. Whispering		✓
3. Aeroplane Sounds	✓
4. Horns of Vehicles	✓
5. Railway Engine	✓
6. Rustling of leaves		✓
7. Neighing of a horse	✓
8. Ticking of a clock		✓

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