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Energy of atomic orbitals in a particular shell is in the order (a) s<p<dp>d>f (c) p<d<fd>s>p
28
Nov
Energy of atomic orbitals in a particular shell is in the order (a) s<p<dp>d>f (c) p<d<fd>s>p Energy of atomic orbitals in a particular shell is in the order (a) s<p<dp>d>f (c) p<d<fd>s>p November 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
As an electron makes a transition from an excited state to the ground state of a hydrogen- like atom/ion
28
Nov
As an electron makes a transition from an excited state to the ground state of a hydrogen- like atom/ion As an electron makes a transition from an excited state to the ground state of a hydrogen- like atom/ion November 28, 2020 Category: Chapter 18 - Atoms and Nuclei , JEE Mains Physics 2002-2019 Solved Video [...]
Half-lives of two radioactive substances A and B are respectively 20 min and 40 min. Initially the samples of A and B have equal number of nuclei. After 80 min the ratio of remaining number of A and B nuclei is
28
Nov
Half-lives of two radioactive substances A and B are respectively 20 min and 40 min. Initially the samples of A and B have equal number of nuclei. After 80 min the ratio of remaining number of A and B nuclei is Radiation com in g from transitions n = 2 to n = 1 of [...]
A radioactive nucleus A with a half-life T, decays into a nucleus B. At t=0, there is no nucleus B. After sometime t, the ratio of the number of B to that of A is 0.3. Then, t is given by :
28
Nov
A radioactive nucleus A with a half-life T, decays into a nucleus B. At t=0, there is no nucleus B. After sometime t, the ratio of the number of B to that of A is 0.3. Then, t is given by : A radioactive nucleus A with a half-life T decays into a nucleus B. [...]
Some energy levels of a molecule are shown in the fig. The ratio of the wavelengths r=λ1/λ2, is given by
28
Nov
Some energy levels of a molecule are shown in the fig. The ratio of the wavelengths r=λ1/λ2, is given by is given by Some energy levels of a molecule are shown in the fig. The ratio of the wavelengths r=λ1/λ2 November 28, 2020 Category: Chapter 18 - Atoms and Nuclei , JEE Mains Physics 2002-2019 [...]
It is found that if a neutron suffers an elastic collinear collision with deuterium at rest, fractional loss of its energy is pd ; while for its similar collision with carbon nucleus at rest, fractional loss of energy is pc. The value of pd and pc are respectively :
28
Nov
It is found that if a neutron suffers an elastic collinear collision with deuterium at rest, fractional loss of its energy is pd ; while for its similar collision with carbon nucleus at rest, fractional loss of energy is pc. The value of pd and pc are respectively : fractional loss of energy is pc. [...]
Aufbau principle is obyed in which of the following electronic configurations
28
Nov
Aufbau principle is obyed in which of the following electronic configurations Aufbau principle is obyed in which of the following electronic configurations November 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The quantum numbers n =n 2, l = 1 represent (a) 1s orbital (b) 2s orbital (c) 2p orbital (d) 3d orbital
28
Nov
The quantum numbers n =n 2, l = 1 represent (a) 1s orbital (b) 2s orbital (c) 2p orbital (d) 3d orbital l = 1 represent (a) 1s orbital (b) 2s orbital (c) 2p orbital (d) 3d orbital The quantum numbers n =n 2 November 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
The orbital with maximum energy is (a) 3d (b) 5p (c) 4s (d) 6d
28
Nov
The orbital with maximum energy is (a) 3d (b) 5p (c) 4s (d) 6d The orbital with maximum energy is (a) 3d (b) 5p (c) 4s (d) 6d November 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
If the series limit frequency of the Lyman series is νL, then the series limit frequency of the Pfund series is :
28
Nov
If the series limit frequency of the Lyman series is νL, then the series limit frequency of the Pfund series is : If the series limit frequency of the Lyman series is νL then the series limit frequency of the Pfund series is : November 28, 2020 Category: Chapter 18 - Atoms and Nuclei , [...]