Physics book 3 topic 1 - Radiation

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  • Created by: Khalifa
  • Created on: 08-03-14 16:20

1. The object is placed between F and the Lens, the Image will be...

  • Virtual, inverted, diminished
  • Real, Inverted, diminished
  • Virtual, right way up, Magnified
  • Real, right way up , Magnified
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Other questions in this quiz

2. The operation in which endoscopes are inserted are called...

  • Endoscopical surgery
  • Keyhole surgery
  • Needle surgery
  • Visional surgery.

3. The focal length of a lens is 0.5m. Whats the power of that lens?

  • 1 x 0.5 = 0.25 D
  • 1/0.5 = 2 D
  • 0.5/1 = 0.5 D

4. Ben is short-sighted. He doesn't wear glasses because they are uncomfortable. What is a healthy alternative?

  • He should wait. He probably doesn't have anything but a headache. It will pass in time.
  • He can train his eyes every day and get better.
  • Laser eye surgery, It can temporarily fix the eyes but can deteriorate in time.
  • There is no alternate method. Tough luck.

5. A Diverging lens will always produce a...

  • virtual Image
  • real Image


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