What type of radiation is a light wave?

• Mechanical wave

• Gravitational wave

• Sound wave

• Electromagnetic radiation

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Why do we study light waves?

• To understand sound propagation

• To explore gravitational forces

• To explore the nature of electromagnetic radiation

• To study mechanical vibrations

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What is the distance from one peak of a wave to the next called?

• Wavelength

• Crest

• Amplitude

• Frequency

Which unit is smaller?

• Nanometer

• Centimeter

• Kilometer

• Meter

Which color has the longest wavelength?

• Blue

• Green

• Red

• Violet

What does the frequency of a wave measure?

• The color of the wave

• The height of the wave

• The distance between peaks

• The number of peaks passing a point per second

What does amplitude determine in a light wave?

• Color

• Frequency

• Intensity or brightness

• Wavelength

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How does light frequency affect what animals can see?

• It affects their hearing

• It changes their size

• It affects the colors they perceive

• It alters their speed

What is the relationship between wavelength and frequency?

• Equal

• Inversely proportional

• Directly proportional

• Unrelated

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In which fields is laser technology used?

• All of the above

• Research

• Communications

• Medicine

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