7. Which one of the following expressions determines the critical angle for quartz (n = 1.5)...

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7. Which one of the following expressions determines the critical angle for quartz (n = 1.5) immersed in oil (n=1.1)? A) 0 = 1.5/1.1 B) = sin¹(1.1/1.5) C) = sin (1.1/1.5) D) 8,tan (1.1/1.5) 7. Which one of the following expressions determines the critical angle for quartz (n = 1.5) immersed in oil (n=1.1)? A) 0 = 1.5/1.1 B) = sin¹(1.1/1.5) C) = sin (1.1/1.5) D) 8,tan (1.1/1.5)

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