Physics, asked by angauheraang7, 4 months ago

D. Noise
Q16. A sound has wavelength of 10m and frequency of 40Hz. Its speed is:
A. 4 m/s
B. 400 HZ
C. 400 ms
D. 4 Hz
Q17, Sound wave is called mechanical wave because
A. We can hear
B. It carries energy
C. It is loud
D. It is a wave

Answers

Answered by borichat07

1

Answer:

Q-16 400HZ

Q-17 IT IS A WAVE

Answered by bondretejas8

1

Answer:

thanks for free points

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