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Three infinite long charged sheets of charge densities −σ,−2σandσ are placed parallel to, y-plane at z= 0, z= a, z= 3a. Electric field at point P is given as :
30
Nov
Three infinite long charged sheets of charge densities −σ,−2σandσ are placed parallel to, y-plane at z= 0, z= a, z= 3a. Electric field at point P is given as : −2σandσ are placed parallel to Three infinite long charged sheets of charge densities −σ y-plane at z= 0 z= 3a. Electric field at point P [...]
The number of unpaired electrons is maximum in (Atomic no. Ti = 22; V 23; Cr = 24; Fe = 26) (a) Cr (b) Fe (c) V (d) Sc
30
Nov
The number of unpaired electrons is maximum in (Atomic no. Ti = 22; V 23; Cr = 24; Fe = 26) (a) Cr (b) Fe (c) V (d) Sc The number of unpaired electrons is maximum in (Atomic no. Ti = 22; V 23; Cr = 24; Fe = 26) (a) Cr (b) Fe (c) [...]
Charge is distributed non uniformly on a sphere such that volume charge density is given as p = ar where a = 8 uc/m^4 and 0 < r < R. Radius of the sphere is R = 75 cm. Find the total charge in the sphere.
30
Nov
Charge is distributed non uniformly on a sphere such that volume charge density is given as p = ar where a = 8 uc/m^4 and 0 < r < R. Radius of the sphere is R = 75 cm. Find the total charge in the sphere. An electron initially at rest falls a distance of [...]
Of the ions Zn 2+, Ni 2+ and Cr 3+ (atomic number of Zn = 30 , Ni = 28, Cr = 24) (a) Only Zn 2+ is colourless and Ni 2+ and cr 3+ are coloured
30
Nov
Of the ions Zn 2+, Ni 2+ and Cr 3+ (atomic number of Zn = 30 , Ni = 28, Cr = 24) (a) Only Zn 2+ is colourless and Ni 2+ and cr 3+ are coloured Cr = 24) (a) Only Zn 2+ is colourless and Ni 2+ and cr 3+ are coloured Ni [...]
For emission line of atomic hydrogen from ni = 8 to nf = the plot of wave number (v ) against [1/n^2 ] will be ( the rydberg constant , Rh is in wave number unit )
30
Nov
For emission line of atomic hydrogen from ni = 8 to nf = the plot of wave number (v ) against [1/n^2 ] will be ( the rydberg constant , Rh is in wave number unit ) For emission line of atomic hydrogen from ni = 8 to nf = the plot of wave number [...]
Which of the following statements is not correct about the electronic configuration of gaseous chromium atom (a) It has 5 electrons in 3d and one electron in 4s orbitals
30
Nov
Which of the following statements is not correct about the electronic configuration of gaseous chromium atom (a) It has 5 electrons in 3d and one electron in 4s orbitals Which of the following statements is not correct about the electronic configuration of gaseous chromium atom (a) It has 5 electrons in 3d and one electron [...]
Which of the graphs shown below does not represent the relation between incident light and the electron ejected from metal surface
30
Nov
Which of the graphs shown below does not represent the relation between incident light and the electron ejected from metal surface Which of the graphs shown below does not represent the relation between incident light and the electron ejected from metal surface November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Which of the following is not true for transition metals (a) They are malleable and ductile (b) They have high boiling and melting point
30
Nov
Which of the following is not true for transition metals (a) They are malleable and ductile (b) They have high boiling and melting point Which of the following is not true for transition metals (a) They are malleable and ductile (b) They have high boiling and melting point November 30, 2020 Category: Uncategorised (JEE Advanced [...]
The formula of mercurous ion is (a) Hg+ (b) Hg2 + (c) Hg2 2+ (d) None of these
30
Nov
The formula of mercurous ion is (a) Hg+ (b) Hg2 + (c) Hg2 2+ (d) None of these The formula of mercurous ion is (a) Hg+ (b) Hg2 + (c) Hg2 2+ (d) None of these November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The wave length associated with a golf weighing 200 g and moving at a speed of 5 m/h is of the order
30
Nov
The wave length associated with a golf weighing 200 g and moving at a speed of 5 m/h is of the order The wave length associated with a golf weighing 200 g and moving at a speed of 5 m/h is of the order November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]