1.frequency
2.electromagnetic
3.Wave W has a faster speed
4.The water is not a smooth surface after the rock is dropped in the pond
5.glass
6.absorb sound waves and prevent echoes
7.The black paper absorbs more waves from the sun than the white paper
8.The sound waves are spread out over a large area
9.light
10.FM has a higher frequency and higher energy
11.Light would be mostly reflected rather than absorbed or transmitted.
The bottom wave has a greater ____
Trough
Frequency
Wavelength
Amplitude
3 answers
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6 answers