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Quiz on OCR Gateway P2a Quiz, created by Zaaaara on 20/05/2014.

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OCR Gateway P2a Quiz

Question 1 of 9

1

Photocells are renewable energy source

Select one of the following:

  • True
  • False

Explanation

Question 2 of 9

1

A photocell contains two pieces of silicon joined together to make a P-Q Junction

Select one of the following:

  • True
  • False

Explanation

Question 3 of 9

1

One piece of the silicon has an impurity added to produce an excess of free electrons - P Junction

Select one of the following:

  • True
  • False

Explanation

Question 4 of 9

1

Sunlight contains energy packets called:

Select one or more of the following:

  • Electrons

  • Photons

Explanation

Question 5 of 9

1

The output from a photocell depends on:

Select one or more of the following:

  • The Light Intensity

  • The type of light used

Explanation

Question 6 of 9

1

The sun is very hot and produces...

Select one of the following:

  • Gamma Rays

  • Microwaves

  • Infrared

Explanation

Question 7 of 9

1

The problem with Wind Turbines is...

Select one of the following:

  • They are expensive

  • The amount of electricity generated depends on the strength of the wind

  • They are dangerous

Explanation

Question 8 of 9

1

Infrared Radiations pass through windows as short wavelengths

Select one of the following:

  • True
  • False

Explanation

Question 9 of 9

1

Glass _________ this longer wavelength radiation back inside the building.

Select one or more of the following:

  • Refracts

  • Reflects

Explanation

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