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11-14 | Light Quiz

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10 minutes maximum! (can you do it in 5?)

   

Q1 +2. The diagram here shows the colours of the spectrum. What are the missing colours?

         

 

3. A glass triangle can be used to split white light into the colours of the spectrum. What is this triangle called?

  • A. A rhomboid
  • B. A prism
  • C. A refractor
  • D. A dispersor

 

4+5. The diagram below shows a light ray being reflected by a mirror.

4. Which of these reflected light rays has been drawn correctly?

5. What is the name of the dotted line labelled x in the diagram above?

  • A. Construction line
  • B. Incident line
  • C. Reflection line
  • D. Normal line

 

6. Grass looks green because it reflects and scatters green light. What happens to the other colours?

  • A. They are absorbed
  • B. They are scattered
  • C. They are refracted
  • D. They are filtered

 

7. What colour would green grass look like under a pure blue light?

  • A. Blue
  • B. Black
  • C. Magenta
  • D. Cyan

 

8. A student draws the letter 'e' next to a mirror. Which of these correctly shows the mirror image of the letter?

9. Which of these lines shows the path of a ray of light through a block of glass?

 

10. Which row of these statements best explains the words 'translucent' and 'opaque'?

 

Translucent Opaque
A
Light cannot pass through light passes through in straight lines
B
light passes through in straight lines Light cannot pass through
C
Light cannot pass through light passes through but is scattered in different directions
D
light passes through but is scattered in different directions Light cannot pass through