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Which of the following cause all the particles of substances in their path to vibrate?
a. matter wave
b. electromagnetic wave
c. sound wave
d. light wave

This frequency of sound is too high to be heard by human ear.
a. Infrasound
b. Audible sound
c. Ultrasound
d. Super sonic sound

Which of the following is the amount of frequency the dog can hear?
a. 20 Hz
b. 25, 000 Hz
c. 150, 000 Hz
d. 20, 000 Hz

What does a high amplitude indicates? a. high pitch b. soft sound c. low pitch d. loud sound​


Sagot :

Answer:

1.c

2.c

3.B

Explanation:

yan ang sagot hehe

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  • B
  • D
  • B
  • D

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