Without the sun, life on earth would not exist. There would be no warmth, no plants, no animals, no night and day. To power itse
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Answer:
1.30
Explanation:
To calculate the critical angle we have ti use the formula:
where theta_c is the critical angle, n1 is the index of refraction of the material where the light is totally reflected, and n2 is the refractive index of the other material.
By taking n_2 and replacing we obtain:
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