Question

6.
a)
In the spectrum of sodium, the wave lengths of two bright lines are
a) 5980 Å. 5896 Å
b) 5890 Å, 5869 Å c) 5890 Å, 5896 Å
d. 5908A,5689A​

Answer 1

Answer:

the correct answer is 5890A,5896A