a-stream-of-electrons-causes-an-emission-at-470-nm-on-he-ions-due-to-the-transit

Question

A stream of electrons causes an emission at λ = 122 nm on He ⁺ ions due to the transition from the 4^th to 2^nd energy level. Determine the electric potential used to accelerate the electrons. Assume He⁺ ions do not gain additional electrons in the process.

Accepted Answer

51.0 V

Answer

2.64 V

Answer

5.19 V

Answer

53.6 V

A stream of electrons causes an emission at λ = 122 nm on He + ions due to the transition from the 4th to 2nd energy level. Determine the electric potential used to accelerate the electrons. Assume He+ ions do not gain additional electrons in the process.

A stream of electrons causes an emission at λ = 122 nm on He ⁺ ions due to the transition from the 4^th to 2^nd energy level. Determine the electric potential used to accelerate the electrons. Assume He⁺ ions do not gain additional electrons in the process.