Electromagnetic Radiations

The portion of the electromagnetic spectrum that humans can see is called:

• radio waves

• visible light

• gamma rays

• x-rays

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When wavelength increases...

• energy decreases

• energy increases

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As wavelength decreases...

• energy increases

• energy decreases

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the distance between peaks of electromagnetic waves is called:

• wavelength

• frequency

• energy

• Planck's Constant

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Which type of electromagnetic energy carries the least energy?

• X-Rays

• Visible Light

• Ultraviolet

• Microwaves

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The speed of electromagnetic radiation:

• depends on the form of radiation

• is always 3 x 10⁸ m/s, regardless of the type

• decreases as distance increases

• is 6.626 x 10^-34 J x s

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What is the speed of light?

• it depends on the type of electromagnetic radiation

• 3 x 10⁸ m/s

• 3 x 10^-34 m/s

• 500 km/s

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We perceive various wavelengths within the visible light spectrum as:

• sound

• color

• time

• smell

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Light is:

• a star and a galaxy

• a wave and a particle

• sound and energy

• unable to be measured

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A light particle is called a(n):

• electromagnetic wave

• photon

• electron

• atom

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