Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
“The position and velocity of a small particle like electron cannot be simultaneously determined.”This statement is
28
Nov
“The position and velocity of a small particle like electron cannot be simultaneously determined.”This statement is "The position and velocity of a small particle like electron cannot be simultaneously determined."This statement is November 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The INCORRECT statement is (a) Lithium is least reactive with water among the alkali metals (b) LiCl crystallises from aqueous solution as LiCl.2H2O
28
Nov
The INCORRECT statement is (a) Lithium is least reactive with water among the alkali metals (b) LiCl crystallises from aqueous solution as LiCl.2H2O The INCORRECT statement is (a) Lithium is least reactive with water among the alkali metals (b) LiCl crystallises from aqueous solution as LiCl.2H2O November 28, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
The uncertainities in the velocities of two particles, A and B are 0.05 and 0.02 m/s , respectively . The mass of B is five times to that of the mass of A. what is the ratio of uncertainities [ deltaxA/deltaxB] in their positions
28
Nov
The uncertainities in the velocities of two particles, A and B are 0.05 and 0.02 m/s , respectively . The mass of B is five times to that of the mass of A. what is the ratio of uncertainities [ deltaxA/deltaxB] in their positions A and B are 0.05 and 0.02 m/s respectively . The [...]
In comparison to boron, berylium has (a) Lesser nuclear charge and greater first ionisation enthalpy (b) Lesser nuclear charge and lesser first ionisation enthalpy
28
Nov
In comparison to boron, berylium has (a) Lesser nuclear charge and greater first ionisation enthalpy (b) Lesser nuclear charge and lesser first ionisation enthalpy berylium has (a) Lesser nuclear charge and greater first ionisation enthalpy (b) Lesser nuclear charge and lesser first ionisation enthalpy In comparison to boron November 28, 2020 Category: Uncategorised (JEE Advanced [...]
The correct sequence of thermal stability of the following carbonates is (a) BaCO3 < CaCO3 < SrCO3 < MgCO3
28
Nov
The correct sequence of thermal stability of the following carbonates is (a) BaCO3 < CaCO3 < SrCO3 < MgCO3 The correct sequence of thermal stability of the following carbonates is (a) BaCO3 < CaCO3 < SrCO3 < MgCO3 November 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The number of pentagons in C 60 and trigons (triangles) in white phosphorus, respectively, are (a) 12 and 3 (b) 20 and 4 (c) 12 and 4
28
Nov
The number of pentagons in C 60 and trigons (triangles) in white phosphorus, respectively, are (a) 12 and 3 (b) 20 and 4 (c) 12 and 4 are (a) 12 and 3 (b) 20 and 4 (c) 12 and 4 respectively The number of pentagons in C 60 and trigons (triangles) in white phosphorus November [...]
The measurement of the lectron position is associated with an uncertainity in momentum , which is equal to 1 x 10 ^-18 g/cm . The uncertainity in electron velocity is , (mass of an electron is 9 x 10^-28 g )
28
Nov
The measurement of the lectron position is associated with an uncertainity in momentum , which is equal to 1 x 10 ^-18 g/cm . The uncertainity in electron velocity is , (mass of an electron is 9 x 10^-28 g ) (mass of an electron is 9 x 10^-28 g ) The measurement of the [...]
The correct statements among (A) to (D) are (A) Saline hydrides produce H2 gas when reacted with H2O. (B) Reaction of LiAlH4 with BF3 leads to B2H6.
28
Nov
The correct statements among (A) to (D) are (A) Saline hydrides produce H2 gas when reacted with H2O. (B) Reaction of LiAlH4 with BF3 leads to B2H6. The correct statements among (A) to (D) are (A) Saline hydrides produce H2 gas when reacted with H2O. (B) Reaction of LiAlH4 with BF3 leads to B2H6. November [...]
The alloy used in the construction of aircrafts is (a) Mg-Sn (b) Mg-Mn (c) Mg-Al (d) Mg-Zn
28
Nov
The alloy used in the construction of aircrafts is (a) Mg-Sn (b) Mg-Mn (c) Mg-Al (d) Mg-Zn The alloy used in the construction of aircrafts is (a) Mg-Sn (b) Mg-Mn (c) Mg-Al (d) Mg-Zn November 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The oxoacid of sulphur that does not contain bond between sulphur atoms is (a) H2S4O6 (b) H2S2O7 (c) H2S2O3
28
Nov
The oxoacid of sulphur that does not contain bond between sulphur atoms is (a) H2S4O6 (b) H2S2O7 (c) H2S2O3 The oxoacid of sulphur that does not contain bond between sulphur atoms is (a) H2S4O6 (b) H2S2O7 (c) H2S2O3 November 28, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,