A supernova is a large explosion that takes place at the end of a star's life cycle. Although supernovas only burn for a short a
mount of time, they can tell scientists a lot about the universe. Scientists use electromagnetic waves to detect supernovas. Why are electromagnetic waves used instead of sound waves?
A. Electromagnetic waves are created by physical vibrations.
B. Electromagnetic waves travel slower than sound waves.
C. Electromagnetic waves can travel in vacuums.
D. Electromagnetic waves cannot be absorbed.
1 answer:
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I think it would be yes because the drum is submerged in water and the water would slow the sound waves, making the sound softer. Right?
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