11. Testing Reflective Materials
Pale colour reflects more light than dark one. And mirror is the
best material to reflect most light because it smooth and shiny
12. Following are some rooms with different wall colour
The more pale the colour the more it reflects light
15. 3. Draw the reflection ray of following
picture
40
°
Mirror
16. 4. Draw the reflection ray of following
picture
40 40
° °
Mirror
17. 4. Draw the reflection ray of following
picture
40
°
Wood
18. 5. Which object applies reflection?
√
The other objects are applying refraction
19. Take a straw then insert it into a glass of
water
Draw the image of straw and glass from the
side of the glass then tell the changes
20. Take a clear plastic sheet. Drop a drop of water on
to the plastic using a straw. Put the drop of water
over a printed text!
Draw the image of printed text under the
drop of water then tell the changes!
21. What happen to the light when it
enters different medium?
The light is bent
