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The energy of a photon that has a frequency of 18.21 × 1015 s-1 is __________ J.?

The energy of a photon that has a frequency of 18.21 × 1015 s-1 is __________ J. a. 5.44 × 10-18 b. 1.99 × 10-25 c. 3.49 × 10-48 d. 1.21 × 10-17 e. 5.44 × 10-18
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Major Spinka DVM

Feb 20, 2025

u know that E = h.f , and h is planck constant: 6.6×10^-34so, E= 6.6x 10^-34 . 18.21×10^15 E= 1.21×10^-17 J, the right answer is d hope it helps u 😉... Show More
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