What is the frequency of UV light that has an energy of 2.39 × 10 -18 J?

Question

What is the frequency of UV light that has an energy of 2.39 × 10 -18 J?

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Hải Đăng 1 year 2021-09-04T00:11:56+00:00 1 Answers 12 views 0

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    2021-09-04T00:13:40+00:00

    Answer:

    3.60 × [tex]10^{15}[/tex] Hz

    Explanation:

    [tex]\frac{2.39 * 10^{-18} J}{6.63 * 10^{-34} J.s}[/tex]

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )