Question

What is the scientific phenomenon behind the working of bicycle reflector?

• A. reflection
• B. refraction
• C. total internal reflection
• D. diffraction

Answer 1

Answer:

C. total internal reflection

When a ray of light enters a medium of higher optical density at an angle of incidence greater than the critical angle, from a medium of higher optical density to a medium of lower light density, the ray is reflected back into the medium without undergoing refraction. This is known as total internal reflection.