Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Light from a discharge tube containing hydrogen atoms falls on the surface of a piece of sodium. The kinetic energy of fastest photoelectrons emitted from sodium is 0.73 eV. The work function for sodium is 1.82 eV.
11
Sep
Light from a discharge tube containing hydrogen atoms falls on the surface of a piece of sodium. The kinetic energy of fastest photoelectrons emitted from sodium is 0.73 eV. The work function for sodium is 1.82 eV. The wavelength of the characteristic X-ray K alpha line emitted by a hydrogen-like element is 0.32 A. Calculate [...]
The wavelength of the characteristic X-ray K alpha line emitted by a hydrogen-like element is 0.32 A. Calculate the wavelength of K beta line emitted by the same element.
11
Sep
The wavelength of the characteristic X-ray K alpha line emitted by a hydrogen-like element is 0.32 A. Calculate the wavelength of K beta line emitted by the same element. The wavelength of the characteristic X-ray K alpha line emitted by a hydrogen-like element is 0.32 A. Calculate the wavelength of K beta line emitted by [...]
A gas of identical hydrogen-like atoms has some atoms in the lowest (ground) energy level A and some atoms in a particular upper (excited) energy level B and there are no atoms in any other energy level.
11
Sep
A gas of identical hydrogen-like atoms has some atoms in the lowest (ground) energy level A and some atoms in a particular upper (excited) energy level B and there are no atoms in any other energy level. A muon is an unstable elementary particle whose mass is 20 me and whose charge is either +e [...]
Hydrogen atom in its ground state is excited by means of monochromic radiation of wavelength 975 A. How many different lines are possible in the resulting spectrum? Calculate the
11
Sep
Hydrogen atom in its ground state is excited by means of monochromic radiation of wavelength 975 A. How many different lines are possible in the resulting spectrum? Calculate the Hydrogen atom in its ground state is excited by means of monochromic radiation of wavelength 975 A. How many different lines are possible in the resulting [...]
An electron having energy 100 eV collides with a stationary helium ion (He) in its ground state and excites to a higher level. After the collision, He ions emits two photons in succession with wavelength 1085
11
Sep
An electron having energy 100 eV collides with a stationary helium ion (He) in its ground state and excites to a higher level. After the collision, He ions emits two photons in succession with wavelength 1085 An electron having energy 100 eV collides with a stationary helium ion (He) in its ground state and excites [...]
A hydrogen atom moves with a velocity u, and makes a head on inelastic collision with a similar hydrogen atom at rest. Both the atoms are in the ground state before collision. What is the minimum value of u, if one of them is to be given a minimum
11
Sep
A hydrogen atom moves with a velocity u, and makes a head on inelastic collision with a similar hydrogen atom at rest. Both the atoms are in the ground state before collision. What is the minimum value of u, if one of them is to be given a minimum A hydrogen atom moves with a [...]
A muon is an unstable elementary particle whose mass is 20 me and whose charge is either +e or -e. A negative muon can be captured by a nucleus to form a muonic atom. Suppose a proton
11
Sep
A muon is an unstable elementary particle whose mass is 20 me and whose charge is either +e or -e. A negative muon can be captured by a nucleus to form a muonic atom. Suppose a proton A muon is an unstable elementary particle whose mass is 20 me and whose charge is either +e [...]
The energy of an electron in an excited hydrogen atom is -3.4 eV. Calculate the angular momentum of the electron according to Bohr’s theory.
11
Sep
The energy of an electron in an excited hydrogen atom is -3.4 eV. Calculate the angular momentum of the electron according to Bohr’s theory. The energy of an electron in an excited hydrogen atom is -3.4 eV. Calculate the angular momentum of the electron according to Bohr's theory. September 11, 2020 Category: Uncategorised (JEE Advanced [...]
A doubly ionized lithium atom is hydrogen-like with atomic number 3. (a) Find the wavelength of the radiation required to excite the electron in Li from the first to third Bohr orbit (ionization energy of hydrogen equals 13.6 eV).
11
Sep
A doubly ionized lithium atom is hydrogen-like with atomic number 3. (a) Find the wavelength of the radiation required to excite the electron in Li from the first to third Bohr orbit (ionization energy of hydrogen equals 13.6 eV). Compare Z1 and Z2. September 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + [...]
The ionization energy of a hydrogen-like Bohr atom is 4 rydbergs. (a) What is the wavelength of radiation emitted when the electron jumps from the first excited state to the ground state? (b) What is the radius of the first orbit for this atom?
11
Sep
The ionization energy of a hydrogen-like Bohr atom is 4 rydbergs. (a) What is the wavelength of radiation emitted when the electron jumps from the first excited state to the ground state? (b) What is the radius of the first orbit for this atom? Compare Z1 and Z2. September 11, 2020 Category: Uncategorised (JEE Advanced [...]