The Need for Proper Handling of Radioactive Substances (Structured Questions)


Question 1:
(a) Diagram 1.1 and 1.2 shows activities which involved the radioactive substances.
(i) State the radioactive radiation used in medical field in Diagram 1.1.
(ii) State the uses of Carbon-14 in Diagram 1.2.
(iii) State one effect of nuclear explosion to human being.
(iv) What substance is used to make a container to keep radioactive substance safe?
(b) Diagram 1.3 shows the nuclear power station.

(i) Name the radioactive substances used in Diagram 1.3.
(ii) State the energy generated from the power station in Diagram 1.3.

Answer:
(a)(i)
Gamma radiation

(a)(ii)
To estimate the age of ancient objects

(a)(iii)
Can cause serious health problems or even death

(a)(iv)
Thick concrete/ Thick lead

(b)(i)
Uranium-235

(b)(ii)
Electrical energy


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