Topic 5 Lesson 4 Electromagnetic Radiation

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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1 MHz is equal to:

• 10 Hz

• 100 Hz

• 1,000 Hz

• 1,000,000 Hz

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Which type photon carries the most energy?

• Yellow Light

• Red Light

• Blue Light

• Green Light

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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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1 nanometer is equal to:

• 1 billionth of a meter

• 10 billionths of a meter

• 1,000 meters

• 1 million meters