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4 votes
Whats the effect?

A wave enters a new medium perpendicular to the boundary between the two media.

User Xren
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2 Answers

4 votes

Answer: A wave

Step-by-step explanation:

Because it’s the one that’s cause the new medium to go between the two media.

User Inspector Squirrel
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3 votes
Wave A! I hope this helps :)
User Sidhin S Thomas
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