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Physics — Question 4

QCAA 2025, Paper 1 · 1 mark

Q4 · 2025 · Paper 1Simple familiar1 mark

QUESTION 4

Electromagnetic waves always
(A)
require a medium to propagate.
(B)
move at a speed of 3 × 108 m s−1.
(C)
travel parallel to the direction of oscillation of charge.
(D)
have an electric field and a magnetic field that are perpendicular to each other.
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