Chapter 20 - Atomic Spectra - 1

Physics Class 12
1. There are three types of spectra, continuous spectra, __________ spectra and line spectra.

2. ______________ radiation spectrum is an example of continuous spectra.

3. Spectrometer uses____________ for observing atomic spectra.

4. The fact that the spectrum of any element contains wavelength was utilized in the second half of________Century.

5. The value of Rydberg’s constant is____________.

Physics Class 12
6. The energy required to knock an electron out of an atom is called ___________ energy.

7. Paschen series contains wavelength in the _____________ region

8. The energy required to completely remove an electron from the first Bohr orbit is called_______.

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