Single Choice

The band spectrum is caused by:

Amolecules
Correct Answer
Batoms
Cany substance in solid state
Dany substance in liquid state

Solution

The band spectrum is caused by molecules. The energy levels of molecules are so close to each other that they combine to form a band. The valence band and conduction band are two types of bands. Electron transition between these two bands form band spectrum.


SIMILAR QUESTIONS

Atomic Structure

The highest energy in Balmer series, in the emission spectra of hydrogen is represented by: $$\left({R}_{H}=109737 {cm}^{-1}\right)$$

Atomic Structure

The emission spectra of atoms in the gaseous phase do not show a continuous spread of wavelength from red to violet, rather they emit light only at specific wavelengths with dark spaces between them. Such spectra is/are called:

Atomic Structure

Multiple of fine structure of spectral lines is due to:

Atomic Structure

Ejection of the photoelectron from metal in the photoelectric effect experiment can be stopped by applying $$0.5\ V$$ when the radiation of $$250\ nm$$ is used. The work function of the metal is:

Atomic Structure

Fill in the blanks: The arrangement of different electromagnetic waves in order of their wavelengths is called ________.

Atomic Structure

Fill in the blanks: The splitting of lines in the magnetic field is called ________.

Atomic Structure

The spectrum produced from an element is:

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