Question

When a beam of white light is passed through sodium vapors and then through a spectrometer, spectrum so obtained has two dark lines present in the yellow region. This spectrum is called:

Options

• band spectrum

• continuous spectrum

• absorption spectrum of sodium

• emission spectrum of sodium

Answer 1

When a beam of white light is passed through sodium vapors and then through a spectrometer, spectrum so obtained has two dark lines present in the yellow region. This spectrum is called: absorption spectrum of sodium