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Assertion : 3dz2 orbital is spherically symmetrical. Reason : 3dz^2 orbital is the only d – orbital which is spherical in shape.
29
Nov
Assertion : 3dz2 orbital is spherically symmetrical. Reason : 3dz^2 orbital is the only d – orbital which is spherical in shape. Assertion : 3dz2 orbital is spherically symmetrical. Reason : 3dz^2 orbital is the only d - orbital which is spherical in shape. November 29, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
Assertion : Two electrons in an atom can atom can have the same values of four quantum numbers. Reason : Two electrons in an atom can be present in the same shell, sub – shell and orbital and have the same spin .
29
Nov
Assertion : Two electrons in an atom can atom can have the same values of four quantum numbers. Reason : Two electrons in an atom can be present in the same shell, sub – shell and orbital and have the same spin . Assertion : Two electrons in an atom can atom can have the [...]
Let the moment of inertia of a hollow cylinder of length 30 cm (inner radius 10 cm and outer radius 20 cm), about its axis be I. The radius of a thin cylinder of the same mass such that its moment of inertia about its axis is also I, is:
29
Nov
Let the moment of inertia of a hollow cylinder of length 30 cm (inner radius 10 cm and outer radius 20 cm), about its axis be I. The radius of a thin cylinder of the same mass such that its moment of inertia about its axis is also I, is: about its axis be I. [...]
A string is wound around a hollow cylinder of mass 5 kg and radius 0.5 m. If the string is now pulled with a horizontal force of 40 N, and the cylinder is rolling without slipping on a horizontal surface (see figure), then the angular acceleration of the cylinder will be (Neglect the mass and thickness of the string) :-
29
Nov
A string is wound around a hollow cylinder of mass 5 kg and radius 0.5 m. If the string is now pulled with a horizontal force of 40 N, and the cylinder is rolling without slipping on a horizontal surface (see figure), then the angular acceleration of the cylinder will be (Neglect the mass and [...]
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A string is wound around a hollow cylinder of mass 5 kg and radius 0.5 m. If the string is now pulled with a horizontal force of 40 N ,
and the cylinder is rolling without slipping on a horizontal surface (see figure) ,
then the angular acceleration of the cylinder will be (Neglect the mass and thickness of the string) :- ,
Assertion : The energy of an electron is largely determined by its principal quantum number. Reason : The principal quantum number n is a measure of the most probable distance of finding the electron around the nucleus.
29
Nov
Assertion : The energy of an electron is largely determined by its principal quantum number. Reason : The principal quantum number n is a measure of the most probable distance of finding the electron around the nucleus. l = 0 m = 0 s = -1/2 belongs to the element (a) Mg (b) Na (c) [...]
The magnitude of torque on a particle of mass 1kg is 2.5 Nm about the origin. If the force acting on it is 1 N, and the distance of the particle from the origin is 5m, then the angle between the force and the position vector is (in radians) :-
29
Nov
The magnitude of torque on a particle of mass 1kg is 2.5 Nm about the origin. If the force acting on it is 1 N, and the distance of the particle from the origin is 5m, then the angle between the force and the position vector is (in radians) :- and the distance of the [...]
A circular disc D1 of mass M and radius R has two identical discs D2 and D3 of the same mass M and radius R attached rigidly at its opposite ends (see figure). The moment of inertia of the system about the axis OO’, passing through the centre of D1, as shown in the figure, will be:-
29
Nov
A circular disc D1 of mass M and radius R has two identical discs D2 and D3 of the same mass M and radius R attached rigidly at its opposite ends (see figure). The moment of inertia of the system about the axis OO’, passing through the centre of D1, as shown in the figure, [...]
Which of the following pair of orbitals posses two nodal planes
29
Nov
Which of the following pair of orbitals posses two nodal planes Which of the following pair of orbitals posses two nodal planes November 29, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The total number of electrons present in all the s – orbitals , all the p-orbitals and all the d – orbitals of cesium ion are respectively
29
Nov
The total number of electrons present in all the s – orbitals , all the p-orbitals and all the d – orbitals of cesium ion are respectively all the p-orbitals and all the d - orbitals of cesium ion are respectively The total number of electrons present in all the s - orbitals November 29, [...]
A slab is subjected to two forces F→1andF→2 of same magnitude F as shown in the figure . Force F→2 is in XY-plane while force F1 acts along z-axis at the point (2I→+3j→) .The moment of these forces about point O will be :
29
Nov
A slab is subjected to two forces F→1andF→2 of same magnitude F as shown in the figure . Force F→2 is in XY-plane while force F1 acts along z-axis at the point (2I→+3j→) .The moment of these forces about point O will be : A person of mass M is assuming that his centre of [...]