Physics Form 5 Chapter 6: Nuclear Physics
Quiz by Aimi Mahirah
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- Q 1/7Score 0Which of the following statements is TRUE about the decay above?29It is alpha decay and X is an electronIt is beta decay and X is a helium nucleusIt is alpha decay and X is a helium nucleusIt is beta decay and X is an electron
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- Q1Which of the following statements is TRUE about the decay above?It is alpha decay and X is an electronIt is beta decay and X is a helium nucleusIt is alpha decay and X is a helium nucleusIt is beta decay and X is an electron15s
- Q2Based on the graph, what is the half life of the sample?1.5 hours1.5 hours1.0 hour2.0 hours15s
- Q3Radioisotope Uranium-238 decays to Thorium-234 as shown in the equation above. What is X?Beta particleNeutronAlpha particleProton15s
- Q4A radioactive substance has a half-life of 8 days. What is the number of days for the substance to become 25% of the initial value?12 days16 days8 days24 days15s
- Q5The half-life of Radon-222 is 4 days. If the initial mass of radon is 20g, what is the mass decayed after 12 days?17.5 g15.0g5.0g2.5g15s
- Q6In a series of reactions, two deuterons combine to form a helium nucleus. What is the name of this process?Nuclear fissionChain reactionNuclear reactionNuclear fussion15s
- Q7Which statement is NOT true about the nuclear reactor?The moderator is used to speed up the neutronsUranium core acts as source of energyWater acts as coolant to remove the heat produced from the reactorThe control rod is used to absorb the excess neutrons10s
