Physics

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1. Where are images formed?

  • On the retina, which is covered in light sensitive cells. These cells detect light and send signals to the brain to be interpreted.
  • On the lens.
  • On the cornea.
  • On the iris.
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2. Pressure in a liquid...

  • Is transmitted equally in all directions.
  • Is transmitted un equally in all dircetions
  • Is transmitted equally in different directions.

3. What does centripetal force depend on?

  • Mass, speed and radius.
  • Friction, gravity and tension.

4. What is the iris ad what's its role in the eye?

  • It is the coloured part of the eye, it controls the intensity of light entering the eye.
  • It is the coloured part of the eye; and does most of the eyes focusing.

5. Which way does a magnetic field travel?

  • North to south pole
  • South to North
  • South to East
  • East to West

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