annaoup35
annaoup35 annaoup35
  • 13-01-2020
  • Physics
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i just need help with these seven!

i just need help with these seven class=

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nurrania
nurrania nurrania
  • 13-01-2020
21. light changes its direction when travelling through a new medium because denser mediums have a higher angle of refraction.
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Please help me with this!! I had the flu, and I was absent and I really need help. Thankyou. :)