DP Physics (first assessment 2025)

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Question 21M.1A.SL.TZ1.9

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1A.SL.TZ1.9
Level SL Paper 1A Time zone TZ1
Command term Question number 9 Adapted from N/A
9.
[Maximum mark: 1]
21M.1A.SL.TZ1.9

An electron has a linear momentum of 4.0 × 10−25 kg m s−1. What is the order of magnitude of the kinetic energy of the electron?

A. 10−50 J

B. 10−34 J

C. 10−19 J

D. 106 J

[1]

Markscheme

C

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