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Questions and Answers
Which of the following is true about electromagnetic waves?
Which of the following is true about electromagnetic waves?
- They are not a form of energy
- They are transverse waves (correct)
- They require a medium to propagate
- They travel at different speeds in a vacuum compared to air
What is the relationship between the frequency and wavelength of electromagnetic waves?
What is the relationship between the frequency and wavelength of electromagnetic waves?
- They are inversely proportional (correct)
- They are not related to each other
- The relationship changes depending on the medium
- They are directly proportional
Which of the following is an example of an electromagnetic wave?
Which of the following is an example of an electromagnetic wave?
- Sound waves in air
- Ripples in a pond
- Water waves in the ocean
- X-rays (correct)
What is the speed of electromagnetic waves in a vacuum?
What is the speed of electromagnetic waves in a vacuum?
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