JEE Mains Physics 2002-2019 Solved Video Solutions
A particle of charge q and mass m is subjected to an electric field E=E0(1−ax^2) in the x -direction, where a and E0 are constants. Initially the particle was at rest at x=0. Other than the initial position the kinetic energy of the particle becomes zero when the distance of the particle from the origin is :
18
Sep
A particle of charge q and mass m is subjected to an electric field E=E0(1−ax^2) in the x -direction, where a and E0 are constants. Initially the particle was at rest at x=0. Other than the initial position the kinetic energy of the particle becomes zero when the distance of the particle from the origin [...]
A paramagnetic sample shows a net magnetisation of 6 A/m when it is placed in an external magnetic field of 0.4 T at a temperature of 4 K. When the sample is placed in an external magnetic field of 0.3 T at a temperature of 24 K, then the magnetisation will be
18
Sep
A paramagnetic sample shows a net magnetisation of 6 A/m when it is placed in an external magnetic field of 0.4 T at a temperature of 4 K. When the sample is placed in an external magnetic field of 0.3 T at a temperature of 24 K, then the magnetisation will be The value of [...]
For a uniform rectangular sheet shown in the figure, the ratio of moments of inertia about the axes perpendicular to the sheet and passing through O (the centre of mass) and O’ (corner point) is
18
Sep
For a uniform rectangular sheet shown in the figure, the ratio of moments of inertia about the axes perpendicular to the sheet and passing through O (the centre of mass) and O’ (corner point) is For a uniform rectangular sheet shown in the figure the ratio of moments of inertia about the axes perpendicular to [...]
The electric field of a plane electromagnetic wave is given by E = E0 (x + y)sin(kz – ωt) Its magnetic field will be given by
18
Sep
The electric field of a plane electromagnetic wave is given by E = E0 (x + y)sin(kz – ωt) Its magnetic field will be given by The electric field of a plane electromagnetic wave is given by E = E0 (x + y)sin(kz - ωt) Its magnetic field will be given by September 18, 2021 [...]
Consider two uniform discs of the same thickness and different radii R1 = R and R2 = αR made of the same material. If the ratio of their moments of inertia I1 and I2, respectively, about their axes is I1 : I2 = 1 : 16 then the value of α is
18
Sep
Consider two uniform discs of the same thickness and different radii R1 = R and R2 = αR made of the same material. If the ratio of their moments of inertia I1 and I2, respectively, about their axes is I1 : I2 = 1 : 16 then the value of α is about their axes [...]
A series L-R circuit is connected to a battery of emf V. If the circuit is switched on at t = 0, then the time at which the energy stored in the inductor reaches (1/n) times of its maximum value, is
18
Sep
A series L-R circuit is connected to a battery of emf V. If the circuit is switched on at t = 0, then the time at which the energy stored in the inductor reaches (1/n) times of its maximum value, is A series L-R circuit is connected to a battery of emf V. If the [...]
Find the binding energy per nucleon for 12050Sn. Mass of proton mp = 1.00783 U, mass of neutron mn = 1.00867 U and mass of tin nucleus mSn = 119.902199 U. (take 1U = 931 MeV)
18
Sep
Find the binding energy per nucleon for 12050Sn. Mass of proton mp = 1.00783 U, mass of neutron mn = 1.00867 U and mass of tin nucleus mSn = 119.902199 U. (take 1U = 931 MeV) Find the binding energy per nucleon for 12050Sn. Mass of proton mp = 1.00783 U mass of neutron mn [...]
The value of current i1 flowing from A to C in the circuit diagram is :
18
Sep
The value of current i1 flowing from A to C in the circuit diagram is : The value of current i1 flowing from A to C in the circuit diagram is : September 18, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 ,
In the line spectra of hydrogen atom, difference between the largest and the shortest wavelengths of the Lyman series is 304 Å. The corresponding difference for the Paschan series in Å is ____.
18
Sep
In the line spectra of hydrogen atom, difference between the largest and the shortest wavelengths of the Lyman series is 304 Å. The corresponding difference for the Paschan series in Å is ____. difference between the largest and the shortest wavelengths of the Lyman series is 304 Å. The corresponding difference for the Paschan series [...]
A closed vessel contains 0.1 mole of a monatomic ideal gas at 200 K. If 0.05 mole of the same gas at 400 K is added to it, the final equilibrium temperature (in K) of the gas in the vessel will be close to ___.
18
Sep
A closed vessel contains 0.1 mole of a monatomic ideal gas at 200 K. If 0.05 mole of the same gas at 400 K is added to it, the final equilibrium temperature (in K) of the gas in the vessel will be close to ___. A closed vessel contains 0.1 mole of a monatomic ideal [...]