Electromagnetic and mechanical by tyson samawaves

If the wavelength decreases..

• The frequency and energy increases

• The frequency and energy decreases

• Frequency decreases energy increases

• None of the above

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True or false: Mechanical waves don't need a medium to travel

• True

• False

What are electromagnetic waves?

• sound waves
• electric & magnetic fields (energy) that travel through empty space very quickly
• Someone's name
• things like longitudinal waves

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electromagnetic waves with the longest wavelengths are

• gamma rays
• x-rays
• infrared waves
• radio waves

How are electromagnetic waves different from other waves? 

• They have very short wavelengths 
• They transmit energy instead of matter 
• They can travel through a vacuum 
• They can change direction by reflection 

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What is an example of an electromagnetic wave?

• Water wave
• Rope wave
• Sound wave
• Light wave

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Which wave has the shortest wavelength?

• Red

• Violet

• Orange

• Green

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Which are properties of a mechanical wave?

• can be longitudinal or transverse

• can move through space

• must have matter to move

• carries energy

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A mechanical wave requires a ________.

• Motion
• Medium
• Vacuum
• Car

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A mechanical wave generally does NOT _____

• move the medium from one place to another 
• move through a medium 
• move through a solid 
• disturb the medium