Radiation is released when radioactive elements decay - Leaving Cert Physics - Question 10 - 2017
Question 10
Radiation is released when radioactive elements decay.
(i) Name three types of radiation.
(ii) Which type of radiation has no charge?
(iii) Which type of radiatio... show full transcript
Worked Solution & Example Answer:Radiation is released when radioactive elements decay - Leaving Cert Physics - Question 10 - 2017
Step 1
Name three types of radiation.
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Answer
The three types of radiation are:
Alpha radiation (α)
Beta radiation (β)
Gamma radiation (γ)
Step 2
Which type of radiation has no charge?
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Answer
Gamma radiation (γ) has no charge.
Step 3
Which type of radiation is the least penetrating?
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Answer
Alpha radiation (α) is the least penetrating.
Step 4
Which type of radiation is not deflected by magnetic fields?
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Answer
Gamma radiation (γ) is not deflected by magnetic fields.
Step 5
State one danger associated with nuclear radiation.
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Answer
One danger associated with nuclear radiation is the risk of cancer, which can arise from exposure to radioactive materials.
Step 6
State one precaution that should be taken when handling radioactive substances.
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One precaution is to use protective clothing, such as gloves and lab coats, to minimize exposure.
Step 7
What is nuclear fission?
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Nuclear fission is the process of splitting the nucleus of an atom into two or more smaller nuclei, accompanied by the release of energy and neutrons.
Step 8
Name a fuel used in nuclear reactors.
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Answer
A commonly used fuel in nuclear reactors is uranium, specifically enriched uranium.
Step 9
State the function of (a) the control rods and (b) the shielding in a reactor.
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Answer
(a) The control rods regulate the rate of the nuclear reaction by absorbing excess neutrons.
(b) The shielding protects personnel and the environment from harmful radiation.
Step 10
What is the purpose of the heat exchanger?
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Answer
The purpose of the heat exchanger is to transfer heat from the reactor to water, converting it into steam which can then be used to generate electricity.
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