A. intersect at the angle 45°
B. intersect at the angle 60°
C. be parallel
D. be perpendicular
Correct Answer:
Option C – be parallel
If the angle between two vector P and Q is O°; the vectors are said to?
![A ray of light incident at an angle θ in a rectangular prism grazes the surface of the prism on emerging from the prism. Determine the value of the angle. [Absolute refractive index of the material of the prism is 1.5]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A ray of light incident at an angle θ in a rectangular prism grazes the surface of the prism on emerging from the prism. Determine the value of the angle. [Absolute refractive index of the material of the prism is 1.5]")
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