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Question 24

From Physics HL Paper 1A (May 2025, TZ2)

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  1. A pair of parallel conducting plates are separated by 50cm. The electric potential of one plate is +200V and the electric potential of the other plate is +450V. A proton travels from the +200V plate to the +450V plate.

What is the electric field strength between the plates and the change in the kinetic energy of the proton?

A table with two columns: 'Magnitude / NC-1' and 'Change in kinetic energy', and four rows (A, B, C, D) with numerical values and 'positive' or 'negative' entries.
A table with two columns: 'Magnitude / NC-1' and 'Change in kinetic energy', and four rows (A, B, C, D) with numerical values and 'positive' or 'negative' entries.
Magnitude / NC⁻¹Change in kinetic energy
A.500positive
B.500negative
C.900positive
D.900negative

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