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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Practice Set 1 > The wavelength of an X-ray beam is 10Å. The mass of a fictitious particle having the same energy as that of the X-ray photons is x/3 h kg. The value of x is_________. (h = Planck’s constant)

The wavelength of an X-ray beam is 10Å. The mass of a fictitious particle having the same energy as that of the X-ray photons is x/3 h kg. The value of x is_________. (h = Planck’s constant)

The wavelength of an X-ray beam is 10Å. The mass of a fictitious particle having the same energy as that of the X-ray photons is x/3 h kg. The value of x is_________. (h = Planck's constant)