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Exam 5: Light and Matter

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Question 1

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The lower the light frequency, the more visible to the eye it is.

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False

Question 2

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Frequency is measured in miles per hour.

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The spectrum of increasing wavelength of electromagnetic radiation in known as the _____ ______.

The number of cycles of light that pass a given point in one second is known as the _________ of light.

A wavelength is the distance between any two adjacent peaks or valleys of waves.

Which of the following light types is the most destructive to human beings?

A __________ __________ concerts a light beam containing all wavelengths into an interferogram.

Wavelengths in the electromagnetic spectrum go from highest to lowest, while frequencies go from lowest to highest.

___________________occurs when the property of color where two objects may appear to be the same color in one type of light but are different in another.

Portions of electromagnetic spectrum that are visible to the human eye are known as visible light energy.

The longest wavelengths are radio waves.

Electromagnetic radiation is energy in the form of waves.

Light travels in waves known as tangents.

A packet of light is known as a photon.

The infrared region of the electromagnetic has higher energy than the ultraviolet region.

A prism or grating in a spectrophotometer is known as a ______________.

Instead of being inversely proportional, frequency and wavelength are directly proportional.

The instrument used to measure frequencies of light and quantity of light is known as a

Light wavelengths are measured in

Infrared light detectors generally use a _____________ to convert heat into electricity.