1. fill in the blanks
1. _____&_____ are formed in the medium during propagation of sound.
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0
Answer:
vaccum and gas
Explanation:
these are only means
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Answer:
rarefaction & compression
Explanation:
when the vibrating object moves backwards it creates a region of low pressure called rarefaction
as the object moves back and forth rapidly, a series of compression and rarefaction is created in the air
These make the sound waves propagate through the medium
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