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Consider a hypothetical annihilation of a stationary electron with stationary positron. What is the wavelength of the resulting radiation? Consider a hypothetical annihilation of a stationary electron with stationary positron. What is the wavelength of the resulting radiation? October 16, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

A thin hemispherical shell having uniform surface charge density sigma spins with an angular speed omega. Find the magnetic field at field at O. A thin hemispherical shell having uniform surface charge density sigma spins with an angular speed omega. Find the magnetic field at field at O. October 16, 2020 Category: Uncategorised (JEE Advanced [...]

Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube. K shell electrons of tungsten have -72.5 keV energy. X-rays emitted by the tube contain only Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube. K shell electrons of tungsten have -72.5 keV energy. [...]

The potential difference across the Coolidge tube is 20 kV and 10 mA current flows through the voltage supply. Only 0.5% of the energy carried by the electrons striking the target The potential difference across the Coolidge tube is 20 kV and 10 mA current flows through the voltage supply. Only 0.5% of the energy [...]

If an X-ray tube operates at the voltage of 10 kV, find ration of the de Broglie wavelength of the incident electrons to the shortest wavelength of X-rays produced. The specific find ration of the de Broglie wavelength of the incident electrons to the shortest wavelength of X-rays produced. The specific If an X-ray tube [...]

A proton of mass m moving with a speed v0 approaches a stationary proton that is free to move. Assume impact parameter to be zero, i.e., head-on collision. How close will the incident A proton of mass m moving with a speed v0 approaches a stationary proton that is free to move. Assume impact parameter [...]

Two perpenndicular circular loops of radii a and b carry cuurents i1 and i2 respectively. Find the magnetic filed at C. Two perpenndicular circular loops of radii a and b carry cuurents i1 and i2 respectively. Find the magnetic filed at C. October 16, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]

K alpha wavelength emitted by an atom of atomic number Z = 11 is lemda. The atomic number for an atom that emits K alpha radiation with wavelength 4 lemda is K alpha wavelength emitted by an atom of atomic number Z = 11 is lemda. The atomic number for an atom that emits K [...]

Difference between nth and (n +1)th Bohr’s radius of hydrogen atom is equal to (n – 1)th Bohr’s radius. The value of n is Difference between nth and (n +1)th Bohr's radius of hydrogen atom is equal to (n - 1)th Bohr's radius. The value of n is October 16, 2020 Category: Uncategorised (JEE Advanced [...]

A long , vertical wire carrying a current of i is bent into four [parts 1, 2, 3 and 4 as shown in the figure. Find the induction at O. 2 3 and 4 as shown in the figure. Find the induction at O. A long vertical wire carrying a current of i is bent [...]