After gamma decay
- Nucleus will be at lower energy state
- Atomic number will decrease by 1 unit
- Mass number will decrease by 4 unit
- Atomic number will increase by one unit
The Correct Option is A
Solution and Explanation
Top Questions on Atomic Physics
- Given below are two statements:
Statement I: Atoms are electrically neutral as they contain equal number of positive and negative charges.
Statement II: Atoms of each element are stable and emit their characteristic spectrum.
In the light of the above statements, choose the most appropriate answer from the options given below- NEET (UG) - 2024
- Physics
- Atomic Physics
- A particular hydrogen-like ion emits the radiation of frequency $3 \times 10^{15}$ Hz when it makes a transition from $n = 2$ to $n = 1$. The frequency of radiation emitted in the transition from $n = 3$ to $n = 1$ is \[\frac{x}{9} \times 10^{15} \, \text{Hz}, \, \text{when} \, x = _____ .]
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- The shortest wavelength of the spectral lines in the Lyman series of hydrogen spectrum is 915 Å. The longest wavelength of spectral lines in the Balmer series will be _______ Å.
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- The angular momentum of an electron in a hydrogen atom is proportional to: (Where \( r \) is the radius of the orbit of the electron)
- JEE Main - 2024
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- A hydrogen atom changes its state from \( n = 3 \) to \( n = 2 \). Due to recoil, the percentage change in the wavelength of emitted light is approximately \( 1 \times 10^{-n} \). The value of \( n \) is ______. \([ \text{Given: } Rhc = 13.6 \, \text{eV}, \, hc = 1242 \, \text{eV nm}, \, h = 6.6 \times 10^{-34} \, \text{J s}, \, \text{mass of the hydrogen atom} = 1.6 \times 10^{-27} \, \text{kg} ]\)
- JEE Main - 2024
- Physics
- Atomic Physics
Questions Asked in SRMJEEE exam
Calculate the Reynold’s number for a liquid of density 1 g/cm3, viscosity 8 x 10-4 Pa.s flowing at 0.5 m/s through a pipe of diameter 4 cm?
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Which of the following statement is true for aqueous solution of 0.1 M urea, 0.2 M glucose nad 0.3 M sucrose
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The molar conductivities at infinite dilution for Na2SO4,K2S04,KCl, HCl and HCOONa at 300K are 260, 308, 150, 426, and 105 S cm2 mol-1, respectively. What will be A+m for formic acid in the same unit?
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Electrophilic halogenation of phenol does not require catalyst because
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Concepts Used:
Atomic Physics
Atomic physics is the study of the behavior and properties of atoms, which are the fundamental building blocks of matter. Atoms consist of a nucleus, which is made up of positively charged protons and neutral neutrons, surrounded by a cloud of negatively charged electrons. The behavior of these particles is governed by the laws of quantum mechanics, which describe the behavior of particles at the atomic and subatomic level.
One of the most important concepts in atomic physics is the electronic structure of atoms, which refers to the arrangement of electrons in the atom's energy levels or orbitals. These energy levels determine the chemical and physical properties of an atom, including its reactivity and spectral characteristics.
Another important area of atomic physics is the study of atomic spectra, which are the unique patterns of electromagnetic radiation emitted or absorbed by atoms. These spectra can be used to identify the elements present in a sample and to determine their electronic structure.
Atomic physics also encompasses the study of atomic collisions, in which two or more atoms interact and exchange energy. These collisions can lead to a variety of phenomena, including chemical reactions, excitation and ionization of atoms, and the creation of new particles.
Overall, atomic physics is a fascinating field of study that has applications in many areas of science and technology, including materials science, chemistry, and electronics.