Column
Column
1 Audible frequencies
Audible frequencies
(a) 10 dB
2. Length of vocal cords in man
(b) 30 dB
3. Ultrasound
(c) 20 mm long
(d) 20 to 20,000 Hz
(e) Hertz
4. Normal breathing
5. Soft whisper (At 5 m)
6. Frequency
7. Unpleasant sound
(f) Percussion instrument
(g) Music
8. Pitch
(h) Produced by bats
9. Tabla
(i) Noise
10. Pleasant sound
(i) Higher frequency
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Answered by
3
Answer:
1 Audible frequencies
Audible frequencies
(a) 10 dB
2. Length of vocal cords in man
(b) 30 dB
3. Ultrasound
(c) 20 mm long
(d) 20 to 20,000 Hz
(e) Hertz
4. Normal breathing
5. Soft whisper (At 5 m)
6. Frequency
7. Unpleasant sound
(f) Percussion instrument
(g) Music
8. Pitch
(h) Produced by bats
9. Tabla
(i) Noise
10. Pleasant sound
(i) Higher frequency
Answered by
1
Answer:
Step-by-step explanation:
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