The bending of light when it travels from one medium to another having different refractive indices is called ____.
'Reflection'
'Absorption'
'Diffraction'
'Refraction'
Why does a ray of light bend when it travels from one medium to another ?
The bending of light when it travels from one medium to another is called ___ .
Bending of light from its original path while traveling from one medium to another is called: