Bradley Logan
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It's basically all of physics 2B in the revision guides

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Bradley Logan
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Physics-P2-Isotopes, Radiation: Alpha, Beta and Gamma, Fission and Fusion, Half-Life, Life Cycle of Stars

Question 1 of 14

1

Isotopes are different forms of the same element.

Select one of the following:

  • True
  • False

Explanation

Question 2 of 14

1

What is the difference between isotopes?

Select one of the following:

  • Isotopes have a different number of protons and a different number of neutrons.

  • Isotopes have a different number of neutrons and the same number of protons.

  • Isotopes have a different number of protons and the same number of neutrons.

Explanation

Question 3 of 14

1

Alpha radiation particles have ________ and ________

Select one or more of the following:

  • Two neutrons.

  • Two protons.

  • One neutron

  • Three protons

  • Two electrons

Explanation

Question 4 of 14

3

What properties are typical of a Beta particle?

Select one or more of the following:

  • They have a charge of -1.

  • They are large.

  • They move fast.

  • They move slowly.

  • They are small.

  • They have a charge of 0.

  • They are in simple terms, a neutron.

Explanation

Question 5 of 14

1

Gamma rays are long wavelength electromagnetic waves.

Select one of the following:

  • True
  • False

Explanation

Question 6 of 14

1

Nuclear fusion is the process carried out in nuclear power stations to generate energy.

Select one of the following:

  • True
  • False

Explanation

Question 7 of 14

1

Which process releases more energy, Fission or Fusion?

Select one or more of the following:

  • Fission.

  • Fusion.

Explanation

Question 8 of 14

1

Nuclear fusion is done in stars such as the sun.

Select one of the following:

  • True
  • False

Explanation

Question 9 of 14

3

What happens in the process of nuclear fission?

Select one or more of the following:

  • A chain reaction takes place.

  • Nuclei are split up.

  • Nuclei are joined together.

  • The energy released is used to heat water, to create steam for generators.

  • The energy released is used to turn the turbines in wind turbines.

Explanation

Question 10 of 14

1

What stage of it's life is our sun at?

Select one of the following:

  • Red giant.

  • Black hole.

  • Protostar

  • Main sequence star

Explanation

Question 11 of 14

1

What elements are used in the energy process in stars at our sun's stage?

Select one of the following:

  • Helium.

  • Uranium-235.

  • Plutonium-239.

  • Hydrogen.

  • Iron.

Explanation

Question 12 of 14

3

What happens after the red giant stage of a star's life?

Select one or more of the following:

  • A supernova takes place as the star explodes.

  • A neutron star is created.

  • A black hole is created.

  • A white dwarf is created.

  • A black dwarf is created.

  • A planetary nebula is ejected around the star system, from the outer layer of the star.

Explanation

Question 13 of 14

1

Half life is the average time it takes for the number of nuclei in an isotope to halve.

Select one of the following:

  • True
  • False

Explanation

Question 14 of 14

3

What is radiation used for in medical practises?

Select one or more of the following:

  • Abortion of babies.

  • Sterilising instruments.

  • Tracers, followed by an external detector.

  • Radiotherapy, the killing of cancerous cells.

  • The sterilisation of the mouth in extreme dental cases.

Explanation

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