Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
The correct order of decreasing electronegativity values among the elements I-beryllium, II-oxygen, III-nitrogen and IV-magnesium is
10
Nov
The correct order of decreasing electronegativity values among the elements I-beryllium, II-oxygen, III-nitrogen and IV-magnesium is II-oxygen III-nitrogen and IV-magnesium is The correct order of decreasing electronegativity values among the elements I-beryllium November 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
An atom with high electronegativity has (a) Large size (b) High ionisation potential (c) Low electron affinity (d) Low ionisation potential
10
Nov
An atom with high electronegativity has (a) Large size (b) High ionisation potential (c) Low electron affinity (d) Low ionisation potential An atom with high electronegativity has (a) Large size (b) High ionisation potential (c) Low electron affinity (d) Low ionisation potential November 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Which of these have no unit (a) Electronegativity (b) Electron affinity (c) Ionisation energy (d) Excitation potential
10
Nov
Which of these have no unit (a) Electronegativity (b) Electron affinity (c) Ionisation energy (d) Excitation potential Which of these have no unit (a) Electronegativity (b) Electron affinity (c) Ionisation energy (d) Excitation potential November 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The chemical elements are arranged in the order of increasing electronegativities in the sequence (a) P, Si, Se, Br, N (b) Si, Se, P, Br, N
10
Nov
The chemical elements are arranged in the order of increasing electronegativities in the sequence (a) P, Si, Se, Br, N (b) Si, Se, P, Br, N Br n N (b) Si p Se Si The chemical elements are arranged in the order of increasing electronegativities in the sequence (a) P November 10, 2020 Category: Uncategorised [...]
Which element has the lowest electronegative (a) Li (b) F (c) Fe (d) Cl
10
Nov
Which element has the lowest electronegative (a) Li (b) F (c) Fe (d) Cl Which element has the lowest electronegative (a) Li (b) F (c) Fe (d) Cl November 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which of the following is the most electropositive element (a) Aluminium (b) Magnesium (c) Phosphorus (d) Sulphur
10
Nov
Which of the following is the most electropositive element (a) Aluminium (b) Magnesium (c) Phosphorus (d) Sulphur Which of the following is the most electropositive element (a) Aluminium (b) Magnesium (c) Phosphorus (d) Sulphur November 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A conducting sphere of radius r is surrounded by a poorly conducting material of inner radius a and oueter radius b whose resistivity rho varies with rho = rho0r^3. Find teh resistance between the sphere and the outer surface of surrounding conducting material.
10
Nov
A conducting sphere of radius r is surrounded by a poorly conducting material of inner radius a and oueter radius b whose resistivity rho varies with rho = rho0r^3. Find teh resistance between the sphere and the outer surface of surrounding conducting material. How many electrons per second pass through a section of wire carrying [...]
A uniform copper wire of mass 2.23 × 10^−3 kg carries a current of 1 A when 1.7 V is applied across it. Calculate its length and area of cross-section. If the wire is uniformly stretched to double its length, calculate the new resistance. Density of copper is 8.92 × 10^3 kg/m^3 and resistivity is 1.7 × 10^−8 Ω m
10
Nov
A uniform copper wire of mass 2.23 × 10^−3 kg carries a current of 1 A when 1.7 V is applied across it. Calculate its length and area of cross-section. If the wire is uniformly stretched to double its length, calculate the new resistance. Density of copper is 8.92 × 10^3 kg/m^3 and resistivity is [...]
Which one of the following represents the electronic configuration of the most electropositive element
10
Nov
Which one of the following represents the electronic configuration of the most electropositive element Which one of the following represents the electronic configuration of the most electropositive element November 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Assertion : More is the electron affinity greater is the reducing character. Reason : Reducing character depends on number of electrons gained.
10
Nov
Assertion : More is the electron affinity greater is the reducing character. Reason : Reducing character depends on number of electrons gained. Assertion : More is the electron affinity greater is the reducing character. Reason : Reducing character depends on number of electrons gained. November 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]