A. 45°
B. 0°
C. 90°
D. 180°
Correct Answer:
Option B = 0°
Explanation
The angle of dip is the angle which the resultant earth’s magnetic field makes with the horizontal. At the magnetic equator, which is entirely along the horizontal this angle is zero
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![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]")
