A hydrogen atom makes a downward transition from the n = 20 state to the n = 5 state. Find the wavelength of the emitted photon

The lowest level energy state of hydrogen is -13.6 eV.
(h = 6.626 × 10-34 J ? s, 1 eV = 1.60 × 10-19 J, c = 3.00 × 108 m/s)
A) 2.43 ?m
B) 1.46 ?m
C) 1.94 ?m
D) 2.92 ?m


A

Physics & Space Science

You might also like to view...

Which kind of vaporization can occur at any temperature between the freezing and boiling points of a substance?

What will be an ideal response?

Physics & Space Science

Comets are not actually members of the solar system, but have been captured by the Sun

Indicate whether the statement is true or false

Physics & Space Science

Which color of visible light carries the most energy per photon (light particle)?

A) blue B) green C) red D) violet E) all the same

Physics & Space Science

A parallel-plate capacitor has a capacitance of 20 µF. What potential difference across the plates is required to store 22 × 10^-5 C on this capacitor?

a. 2.2 × 10^-2 V c. 11 V b. 1.4 × 10^-8 V d. 70 V

Physics & Space Science