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11. Particle physics
A section of Physics, 9702
Listing 10 of 264 questions
State a similarity and a difference between an up quark and an up antiquark. similarity: difference: shows an electron in an electric field, in a vacuum, at an instant when the electron is stationary. electron electric field lines On , draw an arrow to show the direction of the electric force acting on the stationary electron. The electric field causes the electron to move from its initial position. Describe and explain the acceleration of the electron due to the field, as the electron moves through the field. A stationary α-particle is now placed in the same electric field at the same initial position that was occupied by the electron. Compare the initial electric force acting on the α-particle with the initial electric force that acted on the electron.
9702_w20_qp_22
THEORY
2020
Paper 2, Variant 2
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Questions Discovered
264