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3 A ray of light travels through transparent plastic to air. The ray of light enters

3 A ray of light travels through transparent plastic to air. The ray of light enters the air travelling parallel to the surface of the plastic.

The refractive index of the plastic is 1.25.

What is angle θ?
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kaykardash
kaykardash
4,4(9 marks)
Renewable resources are resources that can not be exhausted such as solar power, wind power, wave power, and geothermal energy

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