The Energy of Light Video Lessons

Concept: The Energy of Light

# Problem: Determine the energy of 1.60 mol of photons for each of the following kinds of light. (Assume three significant figures.)ultraviolet radiation (155 nm)

###### FREE Expert Solution

$\mathbf{E}\mathbf{=}\mathbf{h\nu }\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}\frac{\mathbf{c}}{\mathbf{\lambda }}\mathbf{=}\frac{\overline{)\mathbf{\lambda }}\mathbf{·}\mathbf{\nu }}{\overline{)\mathbf{\nu }}}\phantom{\rule{0ex}{0ex}}\mathbf{\nu }\mathbf{=}\frac{\mathbf{c}}{\mathbf{\lambda }}\phantom{\rule{0ex}{0ex}}\phantom{\rule{0ex}{0ex}}\overline{)\mathbf{E}\mathbf{=}\frac{\mathbf{hc}}{\mathbf{\lambda }}}$

λ = 1.55x10-7 m

Calculate Energy:

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###### Problem Details

Determine the energy of 1.60 mol of photons for each of the following kinds of light. (Assume three significant figures.)