What is the term for the bending of light as it passes from one medium to another?
A
Reflection
B
Diffraction
C
Dispersion
D
Refraction
Correct Answer: Option D — Refraction
Explanation:
Refraction occurs when light changes speed and direction as it passes between media of different densities, such as air and water. This bending effect explains why a straw appears bent when partially submerged in water.