12 mins. Neutron is also a fundamental particle with no charge and mass 1.675 â¦ Learn Videos. The classification of the series by the Rydberg formula was important in the development of quantum mechanics. 11 mins. CBSE Class 12-science - Ask The Expert Answered The first member of Balmer series of hydrogen spectrum has a wavelength 6563 A. compute the wavelength of second member. (Nucleus of Hydrogen contains only one proton) Proton is a fundamental particle with positive charge 1.6 x 10-19 C and mass 1.67 x 10-27 kg (1836 times heavier than an electron). What is its value for a hydrogen atom? Important Questions for Class 12 Physics Chapter 12 Atoms Class 12 Important Questions Atoms Class 12 Important Questions Very Short Answer Type Question 1. Quick summary with Stories. Balbharati Solutions (Maharashtra) ... CBSE Previous Year Question Paper With Solution for Class 12 Arts; CBSE Previous Year Question Paper With Solution for Class 12 Commerce; Monochromatic Light. VIEW MORE. The hydrogen atom is said to be stable when the electron present in it revolves around the nucleus in the first orbit having the principal quantum number n = 1. Rydberg Constant and its Applications. Define ionisation energy. (All India 2010) Answer: Ionisation energy : The energy required to knock out an electron from an atom is called [â¦] The frequency of any line in a series can be expressed as a difference of two terms CBSE Class 12 Guess Papers Science > Physics > Atoms, Molecule, and Nuclei > Hydrogen Spectrum The origin of spectral lines in the hydrogen atom (Hydrogen Spectrum) can be explained on the basis of Bohrâs theory. The emission spectrum of atomic hydrogen has been divided into a number of spectral series, with wavelengths given by the Rydberg formula.These observed spectral lines are due to the electron making transitions between two energy levels in an atom. The atomic hydrogen emits a line spectrum consisting of various series. v Hydrogen Emission Spectrum 12th Class Physics Chapter 20 Atomic Spectra Physics Online videos Lectures Hydrogen Spectrum video tutorial 00:21:31; Hydrogen Spectrum video tutorial 00:11:11; Advertisement Remove all ads. Overview. Looking closely at the above image of the spectrum, we see various hydrogen emission spectrum wavelengths. 10 mins. Introduction to Laser. Line Spectrum of Hydrogen. Textbook Solutions. This document is highly rated by Class 12 â¦ Class 12. The line emission spectrum of hydrogen allows us to watch the infrared and ultraviolet emissions from the spectrum as they are not visible to the naked eye. Class 12 Physics Atoms: Types of Spectral Series: Types of Spectral Series: Balmer Series: First scientist to discover a spectral series of hydrogen atom; It consist of visible radiation spectrum; Experimentally, he found that these spectral lines could be expressed mathematically in â¦ Dec 05, 2020 - Hydrogen Spectrum Series Class 12 Notes | EduRev is made by best teachers of Class 12.