Other questions in this quiz

2. How can centripetal force be increased?

  • Increase the speed of the object
  • Decrease the mass of the object
  • Increase the radius the circle

3. What is the range of human hearing?

  • 20 - 20,000Hz
  • 20 - 22,000Hz
  • 20 - 2,000Hz
  • 200 - 20,000Hz
  • 20 - 200Hz

4. Which of these is the correct formula?

  • Magnification = Image height / Object height
  • Magnification = Image height x Object height
  • Magnification = Object height x Image height
  • Magnification = Object height / Image height

5. Where do stars get their energy from?

  • Electromagnetic fields created in the core
  • Hydrogen made into helium
  • Wasted energy from orbiting objects
  • Photosynthesis
  • Helium made into hydrogen
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Comments

India

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Good questions! thanks a bunch :)

Amelie

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Great Thanks x

aneesah

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yep very good questions- and not too long :)

Nishat Ahmed

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Thankyou for this!
Very good! (: 

1ND31

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converging mirror? do you you mean concave or convex?

Maddie

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How do you increase the speed of a magnet??

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