In order to measure a spectral line from an atom at one particular frequency, ________.

A. that frequency must correspond to one particular electron transition in that atom
B. that spectral line must be in the visible part of the electromagnetic spectrum
C. that frequency must not create an excited state in that atom
D. the line must be as wide as the distance between two orbitals


Answer: A

Physics & Space Science

You might also like to view...

All Terrestrial planets are separated into layers of different densities

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

If an equivalent amount of work is done in a shorter period of time

A. more power is required B. the same amount of power is required C. less power is required

Physics & Space Science

The temperature at which a liquid freezes is

A) affected by foreign ions. B) the same temperature at which its solid form melts. C) both of these D) neither of these

Physics & Space Science

The energy per unit volume in an EM wave is

A) equally divided between the electric and magnetic fields. B) almost entirely in the electric field. C) indeterminate. D) almost entirely in the magnetic field. E) zero.

Physics & Space Science