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17 May, 15:11

What happens to wavelength as a wave leaves the air and enters the Perspex?

a. It decreases

c. It stays the same

b. It increases

d. It becomes irregular

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Answers (2)
  1. 17 May, 15:13
    0
    The best answer among the following choices would be the first option A) because since its leaving the air its lowering/lessening the wave so its getting weaker.
  2. 17 May, 15:27
    0
    I do believe the answer would be A
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