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In 10 S,a 60 W Bulb Emits 11 J of Energy

Question 13

Multiple Choice

In 1.0 s,a 60 W bulb emits 11 J of energy in the form of infrared radiation (heat) of wavelength 1850 nm.How many photons of infrared radiation does the lamp generate in 1.0 s?


A) 1.0 * 1029
B) 1.0 * 1020
C) 6.8 * 10-14
D) 1.1 * 10-19
E) 6.6 * 1023

Correct Answer:

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