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CAIE A-Level Physics AS 7.4.1 That All Electromagnetic Waves Are Transverse Waves That Travel with the Questions

Explain that all electromagnetic waves are transverse and travel at the same speed in a vacuum.

Syllabus
2028–2030
Course
Physics 9702
Level
AS

Exam points

  • Explain that all electromagnetic waves are transverse and travel at the same speed in a vacuum.

CAIE A-Level Physics AS 7.4.1 That All Electromagnetic Waves Are Transverse Waves That Travel with the Questions question 1

[Maximum number: 1]

An electromagnetic wave is travelling through a vacuum.
What could be the wavelength and period of the electromagnetic wave?

wavelength

period

1.2×10−10Tm1.2 \times 10^{-10} \mathrm{Tm}

2.5 Ms

1.2 pm

2.5×1011Gs2.5 \times 10^{11} \mathrm{Gs}

1.2×102pm1.2 \times 10^{2} \mathrm{pm}

4.0×10−10 ns4.0 \times 10^{-10} \mathrm{~ns}

1.2×103μ m1.2 \times 10^{3} \mu \mathrm{~m}

4.0 ns

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