Chapter 4 Modern Chemistry

A certain photon of light has a wavelength of 4.22x10^-7nm. What is the frequency? 

• 7.11x10¹⁴ Hz
• 7.11Hz
• 1.41x10^-15
• -1.41x10¹⁵

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NGSS.HS-PS4-1

A wave with a large wavelength will have a ______ frequency and _____ energy

• high, low
• high, high
• low, high
• low, low

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NGSS.HS-PS4-1

Select the correct order of waves on the EMS 

• Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma
• Gamma, X-ray, Ultra, Vis, Infra, Micro, Radio
• Vis, Micro, Infra, Ultra, X-ray, Gamma, Radio
• Micro, Radio, Vis, Infra, Ultra, X-ray, Gamma

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NGSS.HS-PS4-3

Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy

• Radio waves
• Ultraviolet Rays
• Gamma Rays
• X-rays

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NGSS.HS-PS4-1

As the frequency of an electromagnetic wave increases, the amount of energy in that wave...

• increases.
• decreases.
• stays the same.

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NGSS.HS-PS4-1

The blue section of the wave is measuring _________________.

• wavelength
• crest
• trough
• amplitude 

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NGSS.HS-PS4-1

What is a photon?

• When radiation burst through electric waves
• The emission of electrons from a metal caused by light striking the metal
• The rate at which a waves energy flows through a given unit of area.
• packets of electromagnetic energy

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NGSS.HS-PS4-3

What is the energy of a quantum of light with a frequency of 7.39x10¹⁴Hz.

• 4.88x10¹⁹
• 4.88x10^-19
• 2.22x10²³
• 2.22x10^-23

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NGSS.HS-PS4-1

Certain blue lights have a frequencey of 6.91x10¹⁴Hz. What is the wavelength? 

• 4.34x10²¹
• 4.34x10^-21
• 4.34x10^-7
• 2.07x10²³

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NGSS.HS-PS4-1

What is the wavelength for a quantum of light with energy of 7.56x10^-19J? 

• 2.62x10^-7m
• 2.62x10⁷m
• 2.64x10^-45m
• 2.64x10⁴⁵m

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NGSS.HS-PS4-1

NGSS.HS-PS4-3