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Charges 2q and 8q are placed at the end points A and B respectively of a 9cm long straight line. A third charge q is placed at a point C of AB such that the potential energy of the system is minimum . The distance of C from A is Three point charges are placed [...]

Which is the correct dot structure of N2O molecule Which is the correct dot structure of N2O molecule December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

A proton and α-particle are placed at separation d on a smooth surface . The ratio of their speed when separation becomes infinite will be A proton and α-particle are placed at separation d on a smooth surface . The ratio of their speed when separation becomes infinite will be December 1, 2020 Category: Cengage [...]

Positive and negative point charges of equal magnitude are kept at (0,0,a/2) and (0,0,−a/2) respectively. The work done by the electric field when another positive point charge is moved from (−a,0,0) to (0,a,0) is −a/2) respectively. The work done by the electric field when another positive point charge is moved from (−a 0) is 0) [...]

Two charges q1 and q2 are placed 30cm apart, as shown in the figure. A third charge q3 is moved along the arc of a circle of radius 40cm from C to D. The change in the potential energy of the system is q3/4πε0 k., where k is as shown in the figure. A third [...]

Four equal charges Q are placed at the four corners of a square of each side is ‘a’. Work done in removing a charge −Q from its centre to infinity is Four equal charges Q are placed at the four corners of a square of each side is 'a'. Work done in removing a charge [...]

The interatomic distance in H2 and CL2 molecules are 74 and 198 pm respectively . The bond length of HCL is The interatomic distance in H2 and CL2 molecules are 74 and 198 pm respectively . The bond length of HCL is December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]

Sulphuric acid molecule contains (a) Only covalent bonds (b) Covalent and ionic bonds (c) Covalent and co – ordinate bonds (d) Covalent , ionic and co – ordinate bonds ionic and co - ordinate bonds Sulphuric acid molecule contains (a) Only covalent bonds (b) Covalent and ionic bonds (c) Covalent and co - ordinate bonds [...]

If identical charges (-q) are placed at each corner of a cube of side b, then electric potential energy of charge (+q) which is placed at centre of the cube will be If identical charges -q are placed at each corner of a cube of side b then electric potential energy of charge +q which [...]

In which of the following ionic radii of chromium would be smallest (a) K2CrO4 (b) CrO2 (c) CrCl3 (d) CrF2 In which of the following ionic radii of chromium would be smallest (a) K2CrO4 (b) CrO2 (c) CrCl3 (d) CrF2 December 1, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,