Question Answers
Sahay Sir > Question Answers
When 3d orbital is complete , the new electron aill enter the (a) 4p – orbital (b) 4f – orbital (c) 4s – orbital (d) 4d – orbital
28
Nov
When 3d orbital is complete , the new electron aill enter the (a) 4p – orbital (b) 4f – orbital (c) 4s – orbital (d) 4d – orbital the new electron aill enter the (a) 4p - orbital (b) 4f - orbital (c) 4s - orbital (d) 4d - orbital When 3d orbital is complete [...]
Which one is in the ground state
28
Nov
Which one is in the ground state Which one is in the ground state November 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In a potassium atom , electronic energy levels are in the following order (a) 4s>3d (b) 4s>4p (c) 4s<3d (d) 4s<3p
28
Nov
In a potassium atom , electronic energy levels are in the following order (a) 4s>3d (b) 4s>4p (c) 4s<3d (d) 4s<3p electronic energy levels are in the following order (a) 4s>3d (b) 4s>4p (c) 4s<3d (d) 4s<3p In a potassium atom November 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) [...]
Energy required for the electron excitation in Li^2+ from the first to the third Bohr orbit is
28
Nov
Energy required for the electron excitation in Li^2+ from the first to the third Bohr orbit is Energy required for the electron excitation in Li^2+ from the first to the third Bohr orbit is November 28, 2020 Category: Chapter 18 - Atoms and Nuclei , JEE Mains Physics 2002-2019 Solved Video Solutions ,
After absorbing a slowly moving neutrons of mass mN (momentum ~0) a nucleus of mass M breaks into two nuclei of mass m1 and 5m1(6m1=M + mN), respectively . If the de-Broglie wavelength of the nucleus with mass m1 is λ, then de Broglie wavelength of the other nucleus will be
28
Nov
After absorbing a slowly moving neutrons of mass mN (momentum ~0) a nucleus of mass M breaks into two nuclei of mass m1 and 5m1(6m1=M + mN), respectively . If the de-Broglie wavelength of the nucleus with mass m1 is λ, then de Broglie wavelength of the other nucleus will be After absorbing a slowly [...]
Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be.
28
Nov
Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be. Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission [...]
Hydrogen (1H^1), deuterium (1H^2) singly ionised helium (2He^4)+ and doubly ionised lithium (3Li^8)++ all have one electron around the nucleus. Consider an electron transition from n = 2 to n=1. If the wavelengths of emitted radiation are λ1,λ2,λ3 and λ4, respectively for four elements, then approximately which one of the following is correct?
28
Nov
Hydrogen (1H^1), deuterium (1H^2) singly ionised helium (2He^4)+ and doubly ionised lithium (3Li^8)++ all have one electron around the nucleus. Consider an electron transition from n = 2 to n=1. If the wavelengths of emitted radiation are λ1,λ2,λ3 and λ4, respectively for four elements, then approximately which one of the following is correct? Hydrogen (1H1) [...]
Which of the following electronic configuration is not possible according to Hund’s rule
28
Nov
Which of the following electronic configuration is not possible according to Hund’s rule Which of the following electronic configuration is not possible according to Hund's rule November 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The maximum number of electrons in p – orbital with n = 5 , m = 1 is (a) 6 (b) 2 (c) 14 (d) 10
28
Nov
The maximum number of electrons in p – orbital with n = 5 , m = 1 is (a) 6 (b) 2 (c) 14 (d) 10 m = 1 is (a) 6 (b) 2 (c) 14 (d) 10 The maximum number of electrons in p - orbital with n = 5 November 28, 2020 Category: [...]
Maximum number of electrons in a subshell of an atom is determined by the following
28
Nov
Maximum number of electrons in a subshell of an atom is determined by the following Maximum number of electrons in a subshell of an atom is determined by the following November 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,