IB Physics HL C 2 5 Mechanical and Electromagnetic Wave Models Topic Practice

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Study C.2.5—Mechanical and electromagnetic wave models conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

Question 1

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Electromagnetic waves

A

always obey an inverse square law.

B

are made up of electric and magnetic fields of constant amplitude.

C

always travel at the same speed in a vacuum.

D

are always polarized.

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