$$\[ \theta= \]$$ .................................................... $$\({ }^{\circ}\)$$ (ii) Calculate the kinetic energy of the $$\(\alpha\)$$-particle. kinetic energy = ................................................... J
Exam No：9702_w24_qp_22 Year：2024 Question No：6(c)
Answer:
Knowledge points:
11.1.1 infer from the results of the α-particle scattering experiment the radiation existence and small size of the nucleus
11.1.2 describe a simple model for the nuclear atom to include protons, neutrons and orbital electrons
11.1.3 distinguish between nucleon number and proton number
11.1.4 understand that an element can exist in various isotopic forms, each with a different number of neutrons
11.1.5 use the usual notation for the representation of nuclides
11.1.6 appreciate that nucleon number, proton number, and mass-energy are all conserved in nuclear processes
11.1.7 show an understanding of the nature and properties of α-, β- and γ-radiations (both β– and β+ are included)
11.1.8 state that (electron) antineutrinos and (electron) neutrinos are produced during β– and β+ decay
4.1.1 understand that mass is the property of a body that resists change in motion
4.1.2 recall the relationship F=ma and solve problems using it, appreciating that acceleration and resultant force are always in the same direction
4.1.3 define and use linear momentum as the product of mass and velocity
4.1.4 define and use force as rate of change of momentum
4.1.5 state and apply each of Newton’s laws of motion
Solution:
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