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a ray of light emerging from glass into air is incident at the critical angle of the glass block what is the angle of refraction in the air​
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a ray of light emerging from glass into air is incident at the critical angle of the glass block what is the angle of refraction in the air​

User DexBG
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3 votes

Answer:90°

Step-by-step explanation:

I think it should be 90°

User Oussaka
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