Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
The current in a wire varies with time according to the equation I = 4+2 t, where I is in ampere and t is in second. The quantity of charge which has to be passed through a cross-section of the wire during the time t = 2 s to t = 6 s is?
10
Nov
The current in a wire varies with time according to the equation I = 4+2 t, where I is in ampere and t is in second. The quantity of charge which has to be passed through a cross-section of the wire during the time t = 2 s to t = 6 s is? The [...]
The electron affinity values (in kJ/mol) of three halogens X,Y and Z are respectively -349, -333 and -325. Then X, Y and Z are respectively
10
Nov
The electron affinity values (in kJ/mol) of three halogens X,Y and Z are respectively -349, -333 and -325. Then X, Y and Z are respectively -333 and -325. Then X The electron affinity values (in kJ/mol) of three halogens X Y and Z are respectively Y and Z are respectively -349 November 10, 2020 Category: [...]
The element with positive electron gain enthalpy is (a) Hydrogen (b) Sodium (c) Oxygen (d) Fluorine (e) Neon
10
Nov
The element with positive electron gain enthalpy is (a) Hydrogen (b) Sodium (c) Oxygen (d) Fluorine (e) Neon The element with positive electron gain enthalpy is (a) Hydrogen (b) Sodium (c) Oxygen (d) Fluorine (e) Neon November 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Figure shwos a conductor of length l having a circular cross section . The radius of cross section varies linearly from a to b . The resistivity of the material is rho. Assuming that b-a << l . find the resistance of the conductor.
10
Nov
Figure shwos a conductor of length l having a circular cross section . The radius of cross section varies linearly from a to b . The resistivity of the material is rho. Assuming that b-a << l . find the resistance of the conductor. How many electrons per second pass through a section of wire [...]
A wire has a resistance R . what will be its resistance if (a) it is doubled on itself (b) it is stretched so that (i) its length is doubled and ( ii) its radius is halved.
10
Nov
A wire has a resistance R . what will be its resistance if (a) it is doubled on itself (b) it is stretched so that (i) its length is doubled and ( ii) its radius is halved. A wire has a resistance R . what will be its resistance if (a) it is doubled on [...]
Match the entries listed in Column 1 with appropriate properties listed in Column 2 . The correct match of contents in Column 1 with those in Column 2 is
10
Nov
Match the entries listed in Column 1 with appropriate properties listed in Column 2 . The correct match of contents in Column 1 with those in Column 2 is Match the entries listed in Column 1 with appropriate properties listed in Column 2 . The correct match of contents in Column 1 with those in [...]
The electronic configuration of the element with maximum electron affinity is (a) 1s2, 2s2, 2p3 (b) 1s2, 2s2, 2p5 (c) 1s2, 2s2, 2p6, 3s2, 3p5
10
Nov
The electronic configuration of the element with maximum electron affinity is (a) 1s2, 2s2, 2p3 (b) 1s2, 2s2, 2p5 (c) 1s2, 2s2, 2p6, 3s2, 3p5 2p3 (b) 1s2 2p5 (c) 1s2 2p6 2s2 3p5 3s2 The electronic configuration of the element with maximum electron affinity is (a) 1s2 November 10, 2020 Category: Uncategorised (JEE Advanced [...]
If a copper wire is stretched to make it 0.1 % longer, what is teh percentage change in its resistance ?
10
Nov
If a copper wire is stretched to make it 0.1 % longer, what is teh percentage change in its resistance ? If a copper wire is stretched to make it 0.1 % longer what is teh percentage change in its resistance ? November 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Order of electron affinity of F, Cl, Br and I is …………… (a) F Br > I (b) F > Cl > Br > I (c) F < Cl < Br < I
10
Nov
Order of electron affinity of F, Cl, Br and I is …………… (a) F Br > I (b) F > Cl > Br > I (c) F < Cl < Br < I Br and I is ............... (a) F Br > I (b) F > Cl > Br > I (c) F < Cl [...]
The electron affinity of (a) Carbon is greater than oxygen (b) Sulphur is less than oxygen (c) Iodine is greater than bromine
10
Nov
The electron affinity of (a) Carbon is greater than oxygen (b) Sulphur is less than oxygen (c) Iodine is greater than bromine The electron affinity of (a) Carbon is greater than oxygen (b) Sulphur is less than oxygen (c) Iodine is greater than bromine November 10, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]