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The total number of valence electrons in 4.2 gm of N3^- ion is (Na is the Avogadro’s number )
29
Nov
The total number of valence electrons in 4.2 gm of N3^- ion is (Na is the Avogadro’s number ) The total number of valence electrons in 4.2 gm of N3^- ion is (Na is the Avogadro's number ) November 29, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Assertion : Energy of the orbitals increases as 1s <2s = 2p < 3s = 3p <3d <4s = 4p = 4d = 4f <………… in hydrogen atom. Reason : Energy of the electron depends completely on principal quantum number.
29
Nov
Assertion : Energy of the orbitals increases as 1s <2s = 2p < 3s = 3p <3d <4s = 4p = 4d = 4f <………… in hydrogen atom. Reason : Energy of the electron depends completely on principal quantum number. Assertion : Atomic orbital in an atom is designated by n L ml and ms. [...]
Seven identical circular planar disks, each of mass M and radius R are welded symmetrically as shown. The moment of inertia of the arrangement about the axis normal to the plane and passing through the point P is?
29
Nov
Seven identical circular planar disks, each of mass M and radius R are welded symmetrically as shown. The moment of inertia of the arrangement about the axis normal to the plane and passing through the point P is? each of mass M and radius R are welded symmetrically as shown. The moment of inertia of [...]
Two particles A,B are moving on two concentric circles of radii R1) and R2 with equal angular speed ω. At t=0,their positions and direction of motion are shown in the figure :
29
Nov
Two particles A,B are moving on two concentric circles of radii R1) and R2 with equal angular speed ω. At t=0,their positions and direction of motion are shown in the figure : B are moving on two concentric circles of radii R1) and R2 with equal angular speed ω. At t=0 their positions and direction [...]
A particle of mass 20g is released with an initial velocity 5m/s along the curve from the point A, as shown in the figure. The point A is at height h from point B. The particle slides along the frictionless surface. When the particle reaches point B, its angular momentum about O will be : (Take g=10m/s^2).
29
Nov
A particle of mass 20g is released with an initial velocity 5m/s along the curve from the point A, as shown in the figure. The point A is at height h from point B. The particle slides along the frictionless surface. When the particle reaches point B, its angular momentum about O will be : [...]
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A particle of mass 20g is released with an initial velocity 5m/s along the curve from the point A ,
as shown in the figure. The point A is at height h from point B. The particle slides along the frictionless surface. When the particle reaches point B ,
its angular momentum about O will be : (Take g=10m/s^2). ,
Assertion : Atomic orbital in an atom is designated by n , l , ml and ms. Reason : These are helpful in designating electron present in an orbital.
29
Nov
Assertion : Atomic orbital in an atom is designated by n , l , ml and ms. Reason : These are helpful in designating electron present in an orbital. Assertion : Atomic orbital in an atom is designated by n L ml and ms. Reason : These are helpful in designating electron present in an [...]
The moment of inertia of a solid sphere, about an axis parallel to its diameter and at a distance of x from it, is I(x)’. Which one of the graphs represents the variation of I(x) with x correctly?
29
Nov
The moment of inertia of a solid sphere, about an axis parallel to its diameter and at a distance of x from it, is I(x)’. Which one of the graphs represents the variation of I(x) with x correctly? about an axis parallel to its diameter and at a distance of x from it is I(x)'. [...]
The position vector of the centre of mass r cm of an symmetric uniform bar of negligible area of cross-section as shown in figure is :
29
Nov
The position vector of the centre of mass r cm of an symmetric uniform bar of negligible area of cross-section as shown in figure is : The position vector of the centre of mass r cm of an symmetric uniform bar of negligible area of cross-section as shown in figure is : November 29, 2020 [...]
Assertion : Total number of orbitals associated with principal quantum number n = 3 is 6. Reason : Number of orbitals in a shell equals to 2n.
29
Nov
Assertion : Total number of orbitals associated with principal quantum number n = 3 is 6. Reason : Number of orbitals in a shell equals to 2n. Assertion : Total number of orbitals associated with principal quantum number n = 3 is 6. Reason : Number of orbitals in a shell equals to 2n. November [...]
Assertion : Spin quantum number can have the value +1/2 or -1/2 . Reason : (+) sign here signifies the wave function.
29
Nov
Assertion : Spin quantum number can have the value +1/2 or -1/2 . Reason : (+) sign here signifies the wave function. Assertion : Spin quantum number can have the value +1/2 or -1/2 . Reason : (+) sign here signifies the wave function. November 29, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]