Other questions in this quiz

2. What does a decrease in wavelength of an object suggest?

  • That it is moving closer to the observer
  • It is moving away from the observer
  • That the object is stationary

3. Complete this sentence Hotter objects emit ………… infrared radiation than cooler objects

  • Hot objects do not emit emit infrared at all
  • Hotter objects emit more infrared radiation than cooler objects.
  • Hotter objects emit the same amount of infrared radiation than cooler objects.
  • Hotter objects emit more infrared radiation than cooler objects.

4. Which one of the following words is used to describe the image formed by a plane mirror?

  • Real
  • Virtual
  • Imaginary
  • Invisible

5. What is transferred through the National Grid?

  • Electricity
  • Gas
  • Coal
  • Oil

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