Diamond has an index of refraction of 2.419. what is the critical angle for internal reflection inside a diamond that is in liquid of index of refraction n=2? a) 15.4° b) 55.8° c) 26° d) 20° e) 39°

B) 55.8°

Explanation:

n₁ = Refractive index of liquid = 2

n₂ = Refractive index of diamond = 2.419

Here it can be seen that the light ray is in the more dense medium and approaching the less dense medium which is a case of total internal reflection.

Critical angle

∴ Critical angle is 55.8°

probably not the "magnets"in the magnet, so to speak, are thought to be electrons orbiting in shells. vurrent loops two sides to the loop