Electrons are used as the probing particle in modern nuclear scattering experiments of elements. The following graph shows how the variation in intensity of electrons detected varies with scattering angle for such an experiment. 1 Relative intensity of 10-1 scattered electrons 10-2 10- 10-4 10-5 30 40 50 60 70 Scattering angle 0,/ degrees a) If the wavelength of the incident electrons is 4.0 fm, calculate the radius of the atomic nucleus that has scattered them. b) Explain the advantage of using electrons rather than alpha particles as the scattering particles for investigating the size of atomic nuclei.
Electrons are used as the probing particle in modern nuclear scattering experiments of elements. The following graph shows how the variation in intensity of electrons detected varies with scattering angle for such an experiment. 1 Relative intensity of 10-1 scattered electrons 10-2 10- 10-4 10-5 30 40 50 60 70 Scattering angle 0,/ degrees a) If the wavelength of the incident electrons is 4.0 fm, calculate the radius of the atomic nucleus that has scattered them. b) Explain the advantage of using electrons rather than alpha particles as the scattering particles for investigating the size of atomic nuclei.
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Electrons are used as the probing particle in modern nuclear scattering experiments of elements. The
following graph shows how the variation in intensity of electrons detected varies with scattering angle
for such an experiment.
1
Relative
intensity of
10-1
scattered
electrons
10-2
10-3
30
40 50
60 70
Scattering angle 0,/ degrees
a) If the wavelength of the incident electrons is 4.0 fm, calculate the radius of the atomic nucleus
that has scattered them.
b) Explain the advantage of using electrons rather than alpha particles as the scattering particles for
investigating the size of atomic nuclei.
Completed forms to be made available for external moderation.
10-4
10-5
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