Question

ASSESSMENT ZONE
Choose the correct answer.
1. Which of the following is the main function of cochlea?
a. Amplifies the sound
b. Converts the s
c. Both (a) and (b)
d. None of these
2. Which of the following characteristics of sound would result
loudness?
a. Frequency
b. Amplitude
c. Pitch
3. Which of the following is the unit of frequency?
a. Metre
b. Hertz
c. Second
4. In which of the following materials, is the speed of sound n​

Answer 1

Answer:

1. The cochlea (auditory inner ear) transforms the sound in neural message. The function of the cochlea is to transform the vibrations of the cochlear liquids and associated structures into a neural signal
2. The amplitude of a sound wave determines its loudness or volume. A larger amplitude means a louder sound, and a smaller amplitude means a softer sound. In Figure 10.2 sound C is louder than sound B. The vibration of a source sets the amplitude of a wave
3. hertz
4. The speed of sound is faster in solid materials and slower in liquids or gases. The velocity of a sound wave is affected by two properties of matter: the elastic properties and density. The relationship is described by the following equation.

Explanation:

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