The following statements are about waves.
1 |
Waves can travel through free space |
2 |
Waves can be polarised |
3 |
Waves have a frequency inversely proportional to their wavelength |
4 |
Waves have an intensity proportional to their amplitude |
Which ones would apply to both sound and light waves?
3 only
4 only
1 and 4
1 and 2
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