1. How does sound travel?
2.How can human brain recognise many familiar sounds without seeing the object?
3. Can you say that the frequency of the voice of a child is higher than that of an adult?
Answers
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Answer:
1.ans Sound waves travel at 343 m/s through the air and faster through liquids and solids. The waves transfer energy from the source of the sound.
2.ans The tiny hair cells in our inner ear send electrical signals to the auditory nerve which is connected to the auditory centre of the brain where the electrical impulses are perceived by the brain as sound. The brain translates the impulses into sounds that we know and understand.
Explanation:
sorry 3rd ans i dont know but i will study than i will be familier to give answer.
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