Two emission lines from an element are measured to have frequencies of and

PHYSICS · Subjective · CBSE · Physics · Atoms · Atoms

Problem

Two emission lines from an element are measured to have frequencies of

4.3\times10^{14}\,\text{Hz}

and

6.8\times10^{14}\,\text{Hz}

. Identify the color corresponding to each line and list the two colors in order from lower to higher frequency.