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junior college 2 | H2 Maths
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junior college 2 chevron_right H2 Maths

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Date Posted: 7 years ago
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Benny Lim
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4 answers (A Helpful Person)
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7 years ago
How do u know that half a wavelength is equal to 0.6m?
Benny Lim
Benny Lim
7 years ago
read up on destructive interference https://en.wikipedia.org/wiki/Interference_(wave_propagation)