Question Answers
Sahay Sir > Question Answers
Suppose the potential energy between an electron and a proton at a distance r is given by Ke^2/3r^3. Application of Bohr’s theory to hydrogen atom in this case shows that
16
Oct
Suppose the potential energy between an electron and a proton at a distance r is given by Ke^2/3r^3. Application of Bohr’s theory to hydrogen atom in this case shows that Suppose the potential energy between an electron and a proton at a distance r is given by Ke^2/3r^3. Application of Bohr's theory to hydrogen atom [...]
In an X-ray tube, the voltage applied is 20 kV. The energy required to remove an electron from L shell is 19.9 keV. In the X-rays emitted by the tube,
16
Oct
In an X-ray tube, the voltage applied is 20 kV. The energy required to remove an electron from L shell is 19.9 keV. In the X-rays emitted by the tube, In an X-ray tube the voltage applied is 20 kV. The energy required to remove an electron from L shell is 19.9 keV. In the [...]
An electron is ejected from the surface of a long , thick straight conductor carrying a current , initially in a direction perpendicular to the conductor . THe electron will
16
Oct
An electron is ejected from the surface of a long , thick straight conductor carrying a current , initially in a direction perpendicular to the conductor . THe electron will An electron is ejected from the surface of a long initially in a direction perpendicular to the conductor . THe electron will thick straight conductor [...]
Figure shows a cross section of a long cylindrical conductor of radius a containing a long cylindrical hole of radius a containing a long cylindrical hole of radius b. THe central axes of the cylinder and hole are parallel and are distance d apart, current i is uniformly distributed over the tined area. what is the magnitude of the magnetic field at the centre of the hole ?
16
Oct
Figure shows a cross section of a long cylindrical conductor of radius a containing a long cylindrical hole of radius a containing a long cylindrical hole of radius b. THe central axes of the cylinder and hole are parallel and are distance d apart, current i is uniformly distributed over the tined area. what is [...]
When a hydrogen atom is excited from ground state to first excited state, then
16
Oct
When a hydrogen atom is excited from ground state to first excited state, then then When a hydrogen atom is excited from ground state to first excited state October 16, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
According to Bohr’s theory of hydrogen atom, for the electron in the nth permissible orbit
16
Oct
According to Bohr’s theory of hydrogen atom, for the electron in the nth permissible orbit According to Bohr's theory of hydrogen atom for the electron in the nth permissible orbit October 16, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Energy liberated in the de-excitation of hydrogen atom from the third level to the first level falls on a photo-cathode. Later when the same photo-cathode is exposed to a spectrum of some unknown
16
Oct
Energy liberated in the de-excitation of hydrogen atom from the third level to the first level falls on a photo-cathode. Later when the same photo-cathode is exposed to a spectrum of some unknown Energy liberated in the de-excitation of hydrogen atom from the third level to the first level falls on a photo-cathode. Later when [...]
Hydrogen atoms absorb radiation of wavelength lemda 0 and consequently emit radiations of 6 different wavelengths of which two wavelengths are shorter than lemda 0. Then,
16
Oct
Hydrogen atoms absorb radiation of wavelength lemda 0 and consequently emit radiations of 6 different wavelengths of which two wavelengths are shorter than lemda 0. Then, Hydrogen atoms absorb radiation of wavelength lemda 0 and consequently emit radiations of 6 different wavelengths of which two wavelengths are shorter than lemda 0. Then October 16, 2020 [...]
A stream of electrons is projected horizontally to the right. A straight conductor carrying a current is supported parallel to the electron steam an above it. If the current in the conductor is from left to right, what will be the effect on the electron stream?
16
Oct
A stream of electrons is projected horizontally to the right. A straight conductor carrying a current is supported parallel to the electron steam an above it. If the current in the conductor is from left to right, what will be the effect on the electron stream? A conducting current-carrying plane is placed in an external [...]
Electrons with de Broglie wavelength X fall on the target in an X-ray tube. The cut-off wavelength of the emitted X-rays is
16
Oct
Electrons with de Broglie wavelength X fall on the target in an X-ray tube. The cut-off wavelength of the emitted X-rays is Electrons with de Broglie wavelength X fall on the target in an X-ray tube. The cut-off wavelength of the emitted X-rays is October 16, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]