Problem: Part A A heat lamp produces 26.0 watts of power at a wavelength of 7.1 μm.How many photons are emitted per second? (1 watt = 1J/s) Express your answer using two significant figures.

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Part A 

A heat lamp produces 26.0 watts of power at a wavelength of 7.1 μm.

How many photons are emitted per second? (1 watt = 1J/s) 

Express your answer using two significant figures.

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