Transcript No Slide Title

Light
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Q1. What enters the
eye to let us see
colours?
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A1. Light
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Q2. Name a valuable,
extremely hard,
colourless gemstone
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A2. Diamond
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Q3. What are lenses,
windows and prisms
usually made of?
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A3. Glass
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Q4. What do we call
something that can be
seen through clearly?
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A4. Transparent
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Q5. What do we call
something that lets light
through but does not let
us see clearly?
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A5. Translucent
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Q6. What do we call
something that does not
transmit light?
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A6. Opaque
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Q7. Where on an object
is the light absorbed or
reflected?
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A7. The surface
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Q8. Give a word that
means a picture formed
by light.
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A8. Image
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Q9. What do you see in
a mirror?
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A9. A reflection
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Q10. What do we call
the bending of light
when it passes from air
to water?
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A10. Refraction
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Q11. What do we call
the line at right angles to
a surface or interface?
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A11. The normal
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Q12. What is the
scientific term for the
incoming light ray?
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A12. The incident ray
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Q13. Name the main
optical component in
spectacles(glasses) and
telescopes
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A13. A lens
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Q14. Which colour
surface reflects all
incident light equally?
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A14. White
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Q15. Which colour
surface absorbs all
incident light?
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A15. Black
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Q16. What is the
scientific term for the
colours of the rainbow?
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A16. Spectrum
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Well Done!
Now check your score
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