datmathguy8497 datmathguy8497
  • 09-01-2024
  • Chemistry
contestada

A light ray travels in two media A and B will speeds 2×10⁸m/s and 2.4×10⁸m/s. The critical angle between them is
A.sin⁻¹(8/9)
B.sin⁻¹(5/6)
C.tan⁻¹(5/6)
D.cos⁻¹(8/9)

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