Concept explainers
Interpretation:
The
Concept introduction:
Light is measured by its wavelength (in nanometres) or frequency (in Hertz).
One wavelength equals the distance between two successive wave crests or troughs.
Frequency (Hertz) equals the number of waves that passes a given point per second.
The relation between the
Here,
The frequency of
The energy of the photon is directly proportional to frequency.
Here,
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Chemistry
- Consider the colors of the visible spectrum. (a) Which colors of light involve less energy than green light? (b) Which color of light has photons of greater energy, yellow or blue? (c) Which color of light has the higher frequency, blue or green?arrow_forwardSuppose hydrogen atoms absorb energy so that electrons are excited to the n = 7 energy level. Electrons then undergo these transitions, among others: (a) n = 7 n = 1; (b) n = 7 n = 6; and (c) n = 2 n = 1. Which of these transitions produces a photon with (i) the smallest energy, (ii) the highest frequency, and (iii) the shortest wavelength?arrow_forward
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