Multiple Choice
What is the primary energy source that powers photosynthesis?
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9. Quantum Mechanics
The Energy of Light
Back9. Quantum Mechanics
The Energy of Light
- Multiple ChoiceIn photosynthesis, what is the energy of a photon first used to do?59views
- Multiple ChoiceWhich process is most directly driven by light energy?117views
- Multiple ChoiceWhich of the following processes is most directly driven by light energy?155views
- Multiple ChoiceWhat is the source of energy that provides the boost for electrons during photosynthesis?50views
- Multiple ChoiceWhich example involves the transformation of chemical energy directly into light energy?100views
- Multiple Choice
Calculate the energy (in nJ) of a photon emitted by a mercury lamp with a frequency of 6.88 x 1014 Hz.
1702views6rank3comments - Multiple Choice
A light ray has a wavelength that is 835 µm contains 6.32 x 10-3 J of energy. How many photons does this light ray have?
1301views6rank4comments - Multiple Choice
How much energy (in kJ) do 4.50 moles of photons contain at a wavelength of 705 nm?
1231views4rank1comments - Open Question
How are wavelength, frequency, and energy related for photons of light?
682views - Open Question
What is the longest wavelength of radiation with enough energy to break carbon-carbon bonds?
571views - Open Question
Hospital X-ray generators emit X-rays with wavelength of about 15.0 nanometers (nm), where 1nm = 10−9 m. What is the energy of a photon of the X-rays?
464views - Open Question
Calculate the energy of the violet light emitted by a hydrogen atom with a wavelength of 410.1 nm.
440views - Open Question
A bright violet line occurs at 435.8 nm in the emission spectrum of mercury vapor. what amount of energy, in joules, must be released by an electron in a mercury atom to produce a photon of this light?
459views - Open Question
Calculate the energy of the orange light emitted, per photon, by a neon sign with a frequency of 4.89 × 1014 Hz.
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