Question Number 181172 by sciencestudent last updated on 24/Nov/22
$${write}\:{snell}'{s}\:{law}\:{that}\:{light}\:{move}\:{a}\: \\ $$$${concentrative}\:{medium}\:{to}\:{nonconcentrative} \\ $$$${medium}\:{and}\:{show}\:{with}\:{a}\:{shape}. \\ $$
Commented by sciencestudent last updated on 23/Nov/22
$${why}\:{don}'{t}\:{you}\:{answer}\:{me}? \\ $$
Commented by sciencestudent last updated on 23/Nov/22
$${Please}\:{no}\:{one}\:{ans}\:{without}\:{mr}\:{W}! \\ $$