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Calculate the Energy in Joules of Microwave Radiation of Wavelength

Question 112

Multiple Choice

Calculate the energy in joules of microwave radiation of wavelength 12.7 centimeters. (E = hν, h = 6.63 × 10-34 J.sec; speed of light = wavelength × ν, speed of light = 3.0 × 108 meters/sec.)


A) 4.9 × 1019 J
B) 7.3 × 10-19 J
C) 3.6 × 10-18 J
D) 1.6 × 10-24 J

Correct Answer:

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