Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
After an interval of one day, 1/16th initial amount of a radioactive material remains in a sample. Then, its half-life is
18
Oct
After an interval of one day, 1/16th initial amount of a radioactive material remains in a sample. Then, its half-life is 1/16th initial amount of a radioactive material remains in a sample. Then After an interval of one day its half-life is October 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
A thin bar magnet of length 2 L is bent at the mid – point so that the angle between them is 60 degree. The new length of the magnet is
18
Oct
A thin bar magnet of length 2 L is bent at the mid – point so that the angle between them is 60 degree. The new length of the magnet is A thin bar magnet of length 2 L is bent at the mid - point so that the angle between them is 60 degree. [...]
A sample of a radioactive element has a mass of 10 g at an instant t = 0. The approximate mass of this element in the sample after two mean lives is
18
Oct
A sample of a radioactive element has a mass of 10 g at an instant t = 0. The approximate mass of this element in the sample after two mean lives is A sample of a radioactive element has a mass of 10 g at an instant t = 0. The approximate mass of this [...]
Samples of two radioactive nuclides, X and Y, each have equal activity A at time t = 0. X has a half-life of 24 years and Y a half-life of 16 years. The samples are mixed together.
18
Oct
Samples of two radioactive nuclides, X and Y, each have equal activity A at time t = 0. X has a half-life of 24 years and Y a half-life of 16 years. The samples are mixed together. each have equal activity A at time t = 0. X has a half-life of 24 years and [...]
A magnetised wire of moment M is bent into an arc of a circle subtending an angle of 60° at the centre, then the new magnetic moment is
18
Oct
A magnetised wire of moment M is bent into an arc of a circle subtending an angle of 60° at the centre, then the new magnetic moment is A magnetised wire of moment M is bent into an arc of a circle subtending an angle of 60° at the centre then the new magnetic moment [...]
A magnet of pole strength m is divided into 4 equal parts so that the length and breadth of each part is half that of the original magnet. The pole strength of each of the magnet is
18
Oct
A magnet of pole strength m is divided into 4 equal parts so that the length and breadth of each part is half that of the original magnet. The pole strength of each of the magnet is A magnet of pole strength m is divided into 4 equal parts so that the length and breadth [...]
Assume that each iron atom has a permanent magnetic moment equal to 2 Bohr magnets (1 Bohr mag ≠ nequals 9.27 × 10^−24 Am^2). The density of atoms in iron is 8.52 × 10^2 8a msm^−3. (a) Find the maximum magnetization I in a long cylinder of iron. (b) Find the maximum magnetic field B on the axis inside the cylinder.
18
Oct
Assume that each iron atom has a permanent magnetic moment equal to 2 Bohr magnets (1 Bohr mag ≠ nequals 9.27 × 10^−24 Am^2). The density of atoms in iron is 8.52 × 10^2 8a msm^−3. (a) Find the maximum magnetization I in a long cylinder of iron. (b) Find the maximum magnetic field B [...]
A newly prepared radioactive nuclide has a decay constant lemda of 10^-6 s^-1. What is the approximate half-life of the nuclide ?
18
Oct
A newly prepared radioactive nuclide has a decay constant lemda of 10^-6 s^-1. What is the approximate half-life of the nuclide ? A newly prepared radioactive nuclide has a decay constant lemda of 10^-6 s^-1. What is the approximate half-life of the nuclide ? October 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
The rest mass of a deuteron is equivalent to an energy of 1876 MeV, that of a proton to 939 MeV, and that of a neutron to 940 MeV. A deuteron may disintegrate to a proton and a neutron
18
Oct
The rest mass of a deuteron is equivalent to an energy of 1876 MeV, that of a proton to 939 MeV, and that of a neutron to 940 MeV. A deuteron may disintegrate to a proton and a neutron and that of a neutron to 940 MeV. A deuteron may disintegrate to a proton and [...]
The hysteresis loss for a specimen of iron weighing 12 kg is equivalent to 300 J/m^3 cycle . Find the loss of energy per hour at 50 cylcles /s. Given , density of iron = 7500 kg/m^3.
18
Oct
The hysteresis loss for a specimen of iron weighing 12 kg is equivalent to 300 J/m^3 cycle . Find the loss of energy per hour at 50 cylcles /s. Given , density of iron = 7500 kg/m^3. density of iron = 7500 kg/m^3. The hysteresis loss for a specimen of iron weighing 12 kg is [...]