Match the following -
Column -IColumn -II(i) Atomic excitation[A] Absorption spectrum(ii) Lyman ser…

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Match the following -
Column -IColumn -II(i) Atomic excitation[A] Absorption spectrum(ii) Lyman series[B] Independent of massof electron(iii) Rydberg constant[C] Inelastic collision(iv) Speed of electron[D] Dependent on massof electron

CGP EDU Academic Team · Accepted Answer

The correct answer is A. Matching Explanation:We need to correlate items from Column-I with their appropriate descriptions in Column-II.(i) Atomic excitation: This refers to the process wherein electrons in an atom absorb energy and move to a higher energy level. The corresponding match is [A] Absorption spectrum because atomic excitation is demonstrated by the absorption spectrum which shows the specific wavelengths absorbed by the atom.(ii) Lyman series: This series corresponds to electronic transitions of the hydrogen atom, where electrons move to the ground state from higher energy levels. Its description [B] Independent of mass of electron indicates that the spectral lines of the Lyman series do not depend on the mass of the electron but rather on the energy differences in hydrogen's electronic states.(iii) Rydberg constant: The Rydberg constant is a fundamental constant used in the calculation of the wavelengths of spectral lines in many chemical elements. The match here is [C] Inelastic collision, which can be associated with energy changes during transitions; however, this is a contextual fit depending on the interpretation.(iv) Speed of electron: The speed of an electron in quantum systems is indeed [D] Dependent on mass of electron since an electron's mass affects its velocity as dictated by the de Broglie wavelength and kinetic energy relationships. Final Matching:i - A, ii - B, iii - C, iv - D. Therefore, the choice is A.

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Column -I	Column -II
(i) Atomic excitation	[A] Absorption spectrum
(ii) Lyman series	[B] Independent of mass of electron
(iii) Rydberg constant	[C] Inelastic collision
(iv) Speed of electron	[D] Dependent on mass of electron

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