$[7\mathrm{.}65/10$ Points$]$

SERPOP$529.$P$\mathrm{.}008.$WI$.$

PRACTICE ANOTHER

ground state.

$($a$)$ What is the wavelength of the incident beam?

$q,$

An electron in an excited state can make a transition to a lower state by emission of a photon of the appropriate wavelength. nm

Explain the steps in your solution.

at first we find energy difference with the given value using formula delta

Score: $1\mathrm{.}275$ out of $1\mathrm{.}25$

Comment:

$($b$)$ What is the longest wavelength in the emission spectrum of these atoms?

$$ nm

$($c$)$ To what portion of the electromagnetic spectrum does it belong?

$$

$($d$)$ To what series does it belong?

$q,$

$($e$)$ What is the shortest wavelength?

$91\mathrm{.}4$

What transition will correspond to the shortest wavelength? nm

$($f$)$ To what portion of the electromagnetic spectrum does it belong?