Yokka Stars

Task id17211

Task id17211

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Product description

In the spectrum of excited singly ionized helium atoms there is a line with a wavelength of 410 nm. A beam of such ions leaves the cyclotron with an energy of 40.0 MeV. Find the Doppler shift of this line if the observation is made at an angle of 30° to the direction of the beam.

Additional information

Detailed solution. Format gif