About Light

11. What is the name of the phenomenon where light waves change direction as they pass through a medium?
a) Diffraction
b) Refraction
c) Reflection
d) Interference

12. What is the name of the phenomenon where light waves spread out as they pass through a narrow slit?
a) Diffraction
b) Refraction
c) Reflection
d) Interference

13. What is the name of the phenomenon where light waves bounce off a surface?
a) Diffraction
b) Refraction
c) Reflection
d) Interference

14. What is the name of the phenomenon where two or more waves of light interact with each other?
a) Diffraction
b) Refraction
c) Reflection
d) Interference

15. What is the name of the device that splits light into its component colors?
a) Prism
b) Mirror
c) Lens
d) Refractor