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Rutherford’s experiment , which established the nuclear model of the atom , used a beam of
30
Nov
Rutherford’s experiment , which established the nuclear model of the atom , used a beam of Rutherford's experiment used a beam of which established the nuclear model of the atom November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In first transition series, the melting point of Mn is low because (a) Due to d10 configuration, metallic bonds are strong (b) Due to d7 configuration, metallic bonds are weak
30
Nov
In first transition series, the melting point of Mn is low because (a) Due to d10 configuration, metallic bonds are strong (b) Due to d7 configuration, metallic bonds are weak In first transition series metallic bonds are strong (b) Due to d7 configuration metallic bonds are weak the melting point of Mn is low because [...]
The wavelength associated with a golf ball weighing 200 g and moving at a speed of 5 m/h is of the order
30
Nov
The wavelength associated with a golf ball weighing 200 g and moving at a speed of 5 m/h is of the order The wavelength associated with a golf ball 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 [...]
Which of the following statement is correct (a) Iron belongs to 3rd transition series of the periodic table (b) Iron belongs to f-block of the periodic table
30
Nov
Which of the following statement is correct (a) Iron belongs to 3rd transition series of the periodic table (b) Iron belongs to f-block of the periodic table Which of the following statement is correct (a) Iron belongs to 3rd transition series of the periodic table (b) Iron belongs to f-block of the periodic table November [...]
Transitional elements exhibit variable valencies because they release electrons from the following orbits (a) ns orbit (b) ns and np orbits
30
Nov
Transitional elements exhibit variable valencies because they release electrons from the following orbits (a) ns orbit (b) ns and np orbits Transitional elements exhibit variable valencies because they release electrons from the following orbits (a) ns orbit (b) ns and np orbits November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Force between two identical charges placed at a distance of r in vacuum is F. Now a slab of dielectric constant K = 4 is inserted between these two charges . If the thickness of the slab is r/2, then the force between the charges will becomes
30
Nov
Force between two identical charges placed at a distance of r in vacuum is F. Now a slab of dielectric constant K = 4 is inserted between these two charges . If the thickness of the slab is r/2, then the force between the charges will becomes Force between two identical charges placed at a [...]
Number of unpaired electron in Cu 2+ is (a) 1 (b) 2 (c) 3 (d) 0
30
Nov
Number of unpaired electron in Cu 2+ is (a) 1 (b) 2 (c) 3 (d) 0 Number of unpaired electron in Cu 2+ is (a) 1 (b) 2 (c) 3 (d) 0 November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which of the following set of elements does not belong to transitional elements set (a) Fe, Co, Ni (b) Cu, Ag, Au (c) Ti, Zr, Hf
30
Nov
Which of the following set of elements does not belong to transitional elements set (a) Fe, Co, Ni (b) Cu, Ag, Au (c) Ti, Zr, Hf Ag Au (c) Ti Co Hf Ni (b) Cu Which of the following set of elements does not belong to transitional elements set (a) Fe Zr November 30, 2020 [...]
The electronic configuration of an element is 1s^2 , 2s^2 2p^6 , 3s^2 3p^6 3d^5 , 4s^1 . This represent its
30
Nov
The electronic configuration of an element is 1s^2 , 2s^2 2p^6 , 3s^2 3p^6 3d^5 , 4s^1 . This represent its 2s2 2p6 3s2 3p6 3d5 4s^1 . This represent its The electronic configuration of an element is 1s2 November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which of the following is a colourless ion (a) Cu +2 (b) Fe +3 (c) Ti +3 (d) Zn +2
30
Nov
Which of the following is a colourless ion (a) Cu +2 (b) Fe +3 (c) Ti +3 (d) Zn +2 Which of the following is a colourless ion (a) Cu +2 (b) Fe +3 (c) Ti +3 (d) Zn +2 November 30, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,