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GCSE Physics Year 11 > GCSEPhysFissFussApplcnCards13 > Flashcards

GCSEPhysFissFussApplcnCards13 Flashcards

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1
Q

Nuclear Fission is the process in which a large nucleus… ?

A

splits

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2
Q

Nuclear fission equation for Uranium-235

A

²³⁵U₉₂ + ¹n₀→ ¹⁴²Ba₅₈ + ⁹¹Kr₃₆ +3¹n₀ + Energy

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3
Q

Equation for nuclear fusion of Deuterium and Tritium

A

D + T → ⁴He₂ + ¹n₀ + Energy

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4
Q

Nuclear Fusion is the process in which …?… nuclei join.

A

light

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5
Q

The two smaller nuclei formed in Nuclear fission are called …??

A

fission fragments

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6
Q

Two or three of these particles are emitted in each fission event

A

neutrons

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7
Q

The energy released in fission or fusion is carried away as the …?… energy of the product particles.

A

kinetic

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8
Q

In fission and fusion the kinetic energy of the products is changed into …?… energy.

A

heat

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9
Q

If one neutron from each fission in a reactor goes on to cause another fission, there is a …?… reaction.

A

chain

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10
Q

Nuclear fusion goes on continuously in the …?

A

Sun

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11
Q

Nuclear fusion can only be made to happen at …?… temperatures

A

high

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12
Q

Nuclear fusion can only be made to happen when the particle …?… is high.

A

density

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13
Q

Nuclear fission produces …?… radioactive waste than nuclear fusion.

A

more

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14
Q

The stocks of fuel for nuclear fission are …?… than those for nuclear fusion

A

smaller

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15
Q

The isotope used in dating organic material is …?…

A

Carbon-14

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16
Q

…?… radiation is used to treat tumours

A

Gamma

17
Q

Surgical instruments can be sterilised using …?… radiation

A

Gamma

18
Q

The source of the radiation used to treat fresh food should have a …?… half-life.

A

very long

19
Q

…?… radiation can be used to monitor thickness of paper or Aluminium.

A

Beta

20
Q

The source of the radiation used to monitor paper thickness should have a …?… half-life.

A

long

21
Q

…?… radiation can be used to monitor liquid flow in underground pipes.

A

Gamma

22
Q

Radioactive isotopes taken internally in medical investigations must have …?… half-lives.

A

short

23
Q

Radioactive isotopes taken internally in medical investigations must emit …?… radiation

A

Gamma

GCSE Physics Year 11 (11 decks)

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