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Electromagnetic spectrum

Electromagnetic spectrum

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Question 137

An infrared wave and an ultraviolet wave travel through a vacuum.

Which row in the table correctly compares their speed and frequencies?

Speed of the waves in a vacuumFrequencies of the waves in a vacuumAdifferentthe sameBdifferentdifferentCthe samethe sameDthe samedifferent \begin{array}{c|c|c} & \text{Speed of the waves in a vacuum} & \text{Frequencies of the waves in a vacuum} \\ \hline \mathbf{A} & \text{different} & \text{the same} \\ \mathbf{B} & \text{different} & \text{different} \\ \mathbf{C} & \text{the same} & \text{the same} \\ \mathbf{D} & \text{the same} & \text{different} \end{array} ABCD​Speed of the waves in a vacuumdifferentdifferentthe samethe same​Frequencies of the waves in a vacuumthe samedifferentthe samedifferent​​
A

Row A

B

Row B

C

Row C

D

Row D

Markscheme

Electromagnetic spectrum Questions

  1. IGCSE
  2. /Physics
  3. /Electromagnetic spectrum

198 exam-style questions on CIE IGCSE Physics Electromagnetic spectrum, covering Electromagnetic spectrum. Each one has a worked solution and a mark scheme showing where the marks go.

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