Ch 5 - Quiz Ch 5.1 - Light and Quantized Energy

A wave of red light travels at:

• 6.02 x 10²³ m/s

• 5.30 x 10⁹ m/s

• 8.00 x 10³ m/s

• 3.00 x 10⁸ m/s

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The particle model treats light as being comprised of:

• photons

• electrons

• neutrons

• electricity

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Which of the following do not necessarily describe a wave?

• c

• frequency ν

• wavelength λ

• amplitude

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λ and ν are:

• inversely proportional

• directly proportional

• they are proportional in 10 different ways

• they are proportional in 20 differentways

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When we looked at element tubes through glasses with diffraction gratings, we saw spectra from elements as:

• continuous spectra just like the sun

• dark line spectra

• bright line spectra

• were not able to show us spectra at all

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Green light travels:

• faster that red light

• slower than red light

• faster than x-rays

• at the speed of light

What is the wavelength (λ) of electromagnetic radiation with a frequency (ν) of 9.01 x 10¹⁵ s^-1 ?

• 3.32 x 10^-8 m

• 6.66 x 10^-7 m

• 4.13 x 10^-9 m

• 1.88 x 10¹⁵ m

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Scientists think the photoelectric effect is possible evidence that LIGHT acts like particles. These particles are called:

• electrons

• photons

• neutrons

• the nuclei of atoms

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A ______________ is the minimum amount of energy that can be gained or lost by an atom.

• wavelength

• frequency

• quantum

• electron

Which type of wave has the longest wavelength (λ)

• AM radio

• microwaves

• x-rays

• TV, FM

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