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1. The angle of deviation depends on the refractive index of the glass.
2. If a ray of light passes obliquely from one medium to another, it does not suffer any deviation.
3. The convex mirror always produces a virtual, diminished and erect image of the object.
4. When an object is at the center of curvature of a concave mirror, the image formed will be virtual and erect.
5.The reason for brilliance of diamonds is the total internal reflection of light.
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