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  • 03-02-2018
  • Physics
contestada

what factors are required for refraction to occur PLEASE HELP!

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RK4 RK4
  • 04-02-2018
1. Light Travelling from denser medium to less dense medium

2. Light Travelling from less dense medium to denser medium

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PLEASE HELP URGENTLY! I DONT UNDERSTAND ANYTHING! PLEASE EXPLAIN YOUR ANSWER!