Arrange these photons in order of increasing wavelength (shortest to longest):
infrared, ultraviolet, radio frequency

10A

Question

Arrange these photons in order of increasing wavelength (shortest to longest):
infrared, ultraviolet, radio frequency

10A

BlackTom AI · Accepted Answer

To arrange photons by wavelength from shortest to longest, we recall the typical electromagnetic spectrum order: ultraviolet light has shorter wavelength than infrared, which in turn has shorter wavelength than radio waves.

Option 1: 'radio frequency < ultraviolet < infrared' starts with the longest wavelength (radio) and moves to shorter ones, which is the reverse of the required order, so this is incorrect.

Option 2: 'infrared < ultraviolet < radio frequency' places infrared before ultraviolet, implying infrared photons are shorter in wavelength than ultraviolet photons. In reality, ultraviolet photons have shorter wavelengths than infrared ones, so this ordering is wrong.

Option 3: 'infrared < radio frequency < ultraviolet' lists infrared first, then radio, then ultraviolet. This sequence does not consistently increase in wavelength, since ultraviolet actually has the shortest wavelength of the three, making this option invalid.

Option 4: 'ultraviolet < infrared < radio frequency' presents ultraviolet (shortest wavelength) first, followed by infrared, then radio frequency (longest wavelength). This matches the known ordering of these regions of the spectrum, so this option is consistent with increasing wavelength.

Option 5: 'radio frequency < infrared < ultraviolet' places radio frequency first, which would indicate the longest wavelength first, conflicting with the requirement to go from shortest to longest, so this is incorrect.

CHEM 1210 AU2025 (15738) Exam 3 (Make-up)- Requires Respondus LockDown Browser

Arrange these photons in order of increasing wavelength (shortest to longest): infrared, ultraviolet, radio frequency 10A

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