Light rays change direction when moving between different transparent media due to refraction. Refraction occurs because light slows down at different speeds in various materials. Common applications of refraction include convex and concave lenses which bend light to magnify or diminish objects, and glass prisms which refract white light into a visible spectrum.

2. • Scattering of Light Rays by TOURCHES

3. RREEFFLLEECCTTIIOONN
 Light reflects back at the same angle at
which it incidences.
 Incidence ray, Normal and Refracted ray all
lies on the same plane.

4. Travelling of lighT
from TransparenT
medium

6. Travelling of lighT
from an opaque
medium

7. RefRaction of Light
When light rays
enter a medium at an
angle, the change in
speed causes the rays
to bend, or change
direction.

8. aPPLicationS of RefRaction of
Light

9. convex LenS

10. ConCave lens

12. Dispersion of light
through a glass
prism
White light
VIBGYOR