1. State two differences
between Newton’s theory of light and that of Huygens.(2)
2.Explain with the aid of a
diagram how Newton explained the refraction of a light ray when the light ray
passes from air into glass.(2)
3. Describe the fringe pattern
observed in Young’s double slits experiment and explain why it could not be
explained using Newton’s theory of light.(3)
4. Use the wave theory of
light to explain the formation of the interference fringes.(3)
5. State one reason why
Newton’s theory of light was accepted in preference to Huygens’ theory.(1)
6. Give one reason why the wave
theory of light was not accepted immediately after Young first demonstrated
that interference is a property of light (1)
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