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22-05-2021
Physics

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An infrared beam of light as a wavelength of 7.7 mm What is this energy

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22-05-2021

Answer:

E=2.58155844×10^-29

Explanation:

we use this formula

E= hc/ lambda

E= [(6.626×10^-34)( 3×10^8)]/(7.7×10^-3)

E=2.58155844×10^-29

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