Question

2. Which one the following acts as a medium for propagation of sound.
A solid B gas Cliquid
D. all of these
32. The range of audible sound for a human being is
A 20 Hz to 20,000 Hz B. 20 Hz to 10.000 Hz
C 10 Hz to 10,000 Hz D. 20 Hz to 40,000 Hz
1. The loudness of sound depends upon
A amplitude B frequency C. time period D. speed
5. Which one of the following will have long vocal cords?
A women B. men C. children
D. none of the above
6. Shrillness of a sound is determined by _
of vibration
A. amplitude B. frequency C. time period D. speed
7. Which one of the following instruments produces sound through vibrations?
A. ghatam
B. tabala C. flute D. sitar
8. To and fro motion of an object is called
9. Define frequency? What is the unit of frequency?
and
are two important properties of any sound
11. In humans, sound is produced by the
12. For human ear, the range of audible frequencies is roughly from _to__ Hz.
10​

Answer 1

Answer:

2. D. all of these

32. A. 20 Hz to 20000 Hz

1. A. amplitude

5. A. women

6. B. frequency

7. D. sitar

8. oscillation

9. Frequency depends on shrillness of sound.

SI unit- Hertz (Hz)

Important properties-

a, Sound can travel through all mediums except vaccum

b, Sound travels in the form of longitudinal waves.

11. vocal cords in larynx

12. 20, 20000

Explanation:

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Answer 2

Answer:

heyyyyyyyyyyy it's also long