souvik
  • souvik
hi
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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YumYum247
  • YumYum247
high!!!
souvik
  • souvik
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souvik
  • souvik
@Vincent-Lyon.Fr

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souvik
  • souvik
@IrishBoy123
souvik
  • souvik
@Michele_Laino
IrishBoy123
  • IrishBoy123
\(I_o * 0.8 * 0.98\)
Vincent-Lyon.Fr
  • Vincent-Lyon.Fr
\(I=I_o\times 0.8\times 0.98\times 0.8=0.63\;I_o\) First you cross a boundary, then you have absorption within the plastic plate, then you cross another boundary to exit into air again.
souvik
  • souvik
the intensity reduces by 20% when it incident on plastic from air..but does the intensity reduces by same amount when light comes out to air again?
Vincent-Lyon.Fr
  • Vincent-Lyon.Fr
Yes, those factors are symmetrical: \(T=\left ( \dfrac{n_1-n_2}{n_1+n_2}\right )^2\)
souvik
  • souvik
is the reflection coefficient (air to plastic) is same as that when light comes out to air from plastic?

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