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No. of visible lines when an electron returns from 5th orbit upto ground state in H atom
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No. of visible lines when an electron returns from 5th orbit upto grou...
Number of Visible Lines in Hydrogen Atom

Introduction
The Hydrogen atom is the simplest atom that consists of a single proton and a single electron. It is an important atom in quantum mechanics because it has a discrete energy spectrum that can be observed through its line spectrum. The line spectrum of hydrogen is a series of lines that are produced when the electron in the hydrogen atom jumps from a higher energy level to a lower energy level. In this response, we will discuss the number of visible lines that are produced when an electron returns from the 5th orbit to the ground state in the hydrogen atom.

Line Spectrum of Hydrogen
The line spectrum of hydrogen is produced when the electron in the hydrogen atom jumps from a higher energy level to a lower energy level. This process releases energy in the form of light, which can be observed as a line spectrum. The line spectrum of hydrogen is important because it provides evidence for the quantization of energy levels in the atom.

Number of Visible Lines
When an electron returns from the 5th orbit to the ground state in the hydrogen atom, it releases energy in the form of light. This energy corresponds to a specific wavelength of light, which can be calculated using the Rydberg formula. The Rydberg formula is given by:

1/λ = R(1/n1^2 - 1/n2^2)

where λ is the wavelength of the light, R is the Rydberg constant, and n1 and n2 are the initial and final energy levels of the electron.

Using this formula, we can calculate the wavelengths of the light that are produced when an electron returns from the 5th orbit to the ground state in the hydrogen atom. The wavelengths that are produced in the visible region of the spectrum are:

- 656.3 nm (red)
- 486.1 nm (blue-green)
- 434.0 nm (blue-violet)

Therefore, there are three visible lines that are produced when an electron returns from the 5th orbit to the ground state in the hydrogen atom.

Conclusion
The line spectrum of hydrogen is produced when the electron in the hydrogen atom jumps from a higher energy level to a lower energy level. When an electron returns from the 5th orbit to the ground state in the hydrogen atom, it produces three visible lines in the spectrum. These lines correspond to wavelengths of light in the red, blue-green, and blue-violet regions of the spectrum.
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