Electron Config and Periodicty

If an AM radio station broadcasts at
9.95 x 10⁵ Hz, what is the wavelength of this radiation?

• 6.59 x 10^-28 m
• 1.01 x 10^-6 m
• 3.32 x 10^-3 m
• 302 m

Tags

NGSS.HS-PS4-1

An argon ion laser emits light at 488 nm. What is the frequency of this radiation? (1 nm = 1x10^-9m)

• 4.07 x 10^-19 Hz
• 6.15 x 10¹⁴ Hz
• 1.46 x 10² Hz
• 2.05 x 10⁶ Hz

Tags

NGSS.HS-PS4-1

What is the frequency of a photon whose energy is 3.4x10^-19J?

• 8.8x10²⁶ Hz
• 5.1x10¹⁴ Hz
• 1.9x10^-15 Hz
• 2.3x10^-52 Hz

Tags

NGSS.HS-PS4-1

Which of the following regions of the electromagnetic spectrum has the longest wavelengths?

• microwave
• infrared
• x-ray
• gamma ray

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NGSS.HS-PS4-1

Which of the following regions of the electromagnetic spectrum has the lowest frequency?

• ultraviolet
• infrared
• visible
• x-ray

An radium-266 atom may emit a photon of light with a frequency of 4.50 x 10¹⁹ Hz when it undergoes nuclear fission. What is the wavelength (in pm) of this photon?

• 0.0298 pm
• 6.66 pm
• 15.0 pm
• 29.8 pm

Tags

NGSS.HS-PS1-8

NGSS.HS-PS4-1

As an electron moves from n=1 to n=4, is energy absorbed or released?

• Absorbed
• Released

As an electron moves from n=4 to n=1, is energy absorbed or released?

• absorbed
• released

What type of radiation has the lowest energy and highest energy, respectively?

• Radio - Gamma
• Gamma - Radio
• Visible - Infrared
• Infrared - Visible

Tags

NGSS.HS-PS4-4

A common infrared laser operates at 1.06 x 10³ nm. What is the energy of a photon with this wavelength? (1 nm = 1x10^-9m)

• 7.02 x 10^-40 J
• 6.25 x 10^-28 J
• 3.54 x 10^-15 J
• 1.87 x 10^-19 J

Tags

NGSS.HS-PS4-1