If crown glass slab is replaced with flint glass slab in your experiment the critical angle will increases or decreases
Answers
If crown glass slab is replaced with flint glass slab in your experiment the critical angle will increases or decreases
Answer:
The composition of the materials on each side of the barrier determines the actual value of the critical angle.
Explanation:
The refracted ray lies along the border with a 90° angle of refraction when the angle of incidence in water reaches a specific critical value. The maximum angle of incidence for which refraction is still possible is this crucial angle of incidence. Light will completely internal reflect at any incidence angle larger than the crucial angle. The phenomenon known as total internal reflection (TIR) involves the boundary reflecting all incident light. TIR only occurs when both of the following two circumstances are true:
1. A light ray is moving toward the less dense medium while it is in the denser medium.
2. The light ray's angle of incidence is greater than the critical angle.
Therefore, the angle of incidence that yields a 90-degree angle of refraction is the crucial angle. Keep in mind that the critical angle represents an angle of incidence. The crucial angle for the water-air interface is 48.6 degrees. The critical angle for the crown glass-water barrier is 61.0 degrees. The composition of the materials on each side of the barrier determines the actual value of the critical angle.
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