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Science
Science(Light)
Question | Answer |
---|---|
Does light travel fast or slow? | Fast |
What speed does light travel at? | Three hundred million meters per second (3 x 10 8 ms-1) |
Why are shadows formed? | They are formed because light travels in straight lines, and because light cannot pass through certain materials |
What is a luminous object? | Objects that make and give out their own light |
Give an example of a luminous object | A lighted candle |
What is a non-luminous object? | Objects that reflect light from another source |
give an example of a non-luminous object | A table |
What is the disperstion of light? | The seperating of light into different colours |
What are the colours in the dispersion or spectrum of light? | (ROGBIV) Red,orange,green,blue,indigo and violet |
What is refraction of light? | The bending of light as it passes from one medium to another |