Benny Lim's answer to SH's Junior College 2 H2 Maths question.

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Benny Lim
Benny Lim's answer
4 answers (A Helpful Person)
1st
SH
SH
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)