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Questions and Answers
What is the principle of ray optics?
The principle of ray optics states that light travels in straight lines.
Explain the concept of total internal reflection.
Total internal reflection occurs when light travels from a medium with a higher refractive index to a medium with a lower refractive index, at an angle of incidence greater than the critical angle.
How does a convex lens form an image of an object?
A convex lens forms a real, inverted image when the object is placed beyond its focal point, and a virtual, upright image when the object is placed within its focal point.
