Which of the following is a property of electromagnetic waves?

• They require a medium to travel.

• They can travel through a vacuum.

• They are longitudinal waves.

• They have varying speeds in a vacuum.

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DOK Level 2: Skill/Concept

Which type of electromagnetic wave has the shortest wavelength?

• Radio waves

• Microwaves

• X-rays

• Gamma rays

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DOK Level 2: Skill/Concept

Which of the following is an application of microwaves?

• Medical imaging

• Cooking food

• Sterilizing medical equipment

• Detecting broken bones

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DOK Level 2: Skill/Concept

What is the correct order of the electromagnetic spectrum from longest to shortest wavelength?

• Gamma rays, X-rays, Ultraviolet, Visible light, Infrared, Microwaves, Radio waves

• Radio waves, Microwaves, Infrared, Visible light, Ultraviolet, X-rays, Gamma rays

• Infrared, Radio waves, Microwaves, Visible light, Ultraviolet, X-rays, Gamma rays

• Visible light, Infrared, Radio waves, Microwaves, Ultraviolet, X-rays, Gamma rays

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DOK Level 2: Skill/Concept

Which of the following best describes the propagation of electromagnetic waves?

• They can only propagate in a vacuum.

• They can propagate in both a vacuum and a medium.

• They can only propagate in a medium.

• They cannot propagate in a vacuum.

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DOK Level 2: Skill/Concept

What happens when electromagnetic waves interact with matter?

• They always pass through without any change.

• They can be absorbed, reflected, or transmitted.

• They are always absorbed.

• They are always reflected.

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DOK Level 2: Skill/Concept

Which part of the electromagnetic spectrum is visible to the human eye?

• Ultraviolet

• Infrared

• Visible light

• X-rays

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DOK Level 2: Skill/Concept

Which of the following electromagnetic waves has the highest frequency?

• Radio waves

• Microwaves

• Ultraviolet

• Gamma rays

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DOK Level 2: Skill/Concept

Which of the following is a common use of infrared waves?

• Broadcasting radio signals

• Night vision equipment

• Sterilizing medical instruments

• Detecting broken bones

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DOK Level 2: Skill/Concept

What is the speed of electromagnetic waves in a vacuum?

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DOK Level 2: Skill/Concept