DP Physics (first assessment 2025)

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Question EXE.1A.HL.TZ0.30

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Date Example questions Example questions Marks available [Maximum mark: 1] Reference code EXE.1A.HL.TZ0.30
Level HL Paper 1A Time zone TZ0
Command term Question number 30 Adapted from N/A
30.
[Maximum mark: 1]
EXE.1A.HL.TZ0.30

An electron is accelerated from rest through a potential difference of 3.8 kV.

The de Broglie wavelength of the electron after acceleration is


A.  0.021 mm

B.  0.021 μm

C.  0.021 nm

D.  0.021 pm

[1]

Markscheme

C

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