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20-10-2021
Physics

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a ray of light is incident in water at angle of 30 on water air plane mirror surface .find the angle of refraction in air.

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Аноним Аноним

20-10-2021

Angle of incidence=angle of refraction

[tex]\\ \sf\longmapsto sin\:i=sin\:r[/tex]

sin i=30°

[tex]\\ \sf\longmapsto sin\:r=30°[/tex]

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