Cobaltâ’60 is a radioactive isotope used to treat cancers of the brain and other tissues. a gamma ray emitted by an atom of this isotope has an energy of 4.70 mev (million electron volts; 1 ev = 1.602 ă— 10â’19 j). what is the frequency (in hz) and the wavelength (in m) of this gamma ray? enter your answers in scientific notation.

Energy of gamma rays is given by equation

here we know that

h = Planck's constant

now energy is given as

now by above equation

now for wavelength we can say

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Explanation:

It eez what it eez