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prove-snell-s-law-




Question Number 181171 by sciencestudent last updated on 22/Nov/22
prove snell′s law
$${prove}\:{snell}'{s}\:{law} \\ $$
Commented by sciencestudent last updated on 23/Nov/22
why don′t you answer me?
$${why}\:{don}'{t}\:{you}\:{answer}\:{me}? \\ $$

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