Department of Physics
IIT Kanpur, Semester II, 2015-16
Solutions # 1
PHY103A: Physics II
Instructors: AKJ & DC
Solution 1.1:
(a) At the top of the hill, the gradient of the height function should be zero, that is, h(x, y) = 0. This gives
i
h(x, y) h
h(x,

Department of physics
Indian Institute of Technology, Kanpur
MKH/SMT/2016-17-II/Phy103
Assignment-5
Week of 6-2-17
Note: The problems assigned are from the text book Introduction to Electrodynamics (4th edition) by
David J. Griffiths
1. Problem 4.22
2. A

Department of physics
Indian Institute of Technology, Kanpur
MKH/SMT/2016-17-II/Phy103
Assignment-1
Week of 9-1-17
1. Suppose the electrostatic potential of a point charge were () = 11+ .
(a) Find the potential () at a point at a distance r from the centr

Department of physics
Indian Institute of Technology, Kanpur
MKH/SMT/2016-17-II/Phy103
Assignment-4
Week of 30-1-17
Note: The problems assigned are from the text book Introduction to Electrodynamics (4th edition) by
David J. Griffiths
1. Problem 3.32
2. P

Department of Physics
IIT Kanpur, Semester II, 2016-17
PSO201A: Quantum Physics
Homework # 2
Problem 2.1: Radiation manifesting as particles
(a) The Compton scattering experiment proved that a radiation field behaves as particles. In this experiment, it
w

Department of Physics
IIT Kanpur, Semester II, 2016-17
Solution # 2
PSO201A: Quantum Physics
Solution 2.1: Radiation manifesting as particles
(a) Follow the derivation given in Section 2.4 of Eisberg and Resnick.
(b) Follow the derivation given in Example

PHY 552/552A: Electromagnetic Theory - 1, (2015-16, Semester -I)
Department of Physics, I.I.T. Kanpur
Assignment 3 (Electrostatics -2 )
1. Problems 2.1, 2.2 and 2.4 of Jacksons book
2. What is the electric field and potential associated with a charged sph

20
Mathematical essentials of Vectors and Vector Calculus
~ is uniquely specified.
the bounding surface S of the volume V , then the field A
Following this theorem, we can separate the given vector field into two parts:
~ r) = A
~D + A
~R
A(~
(2.27)
~ D i

Course contents: Vector calculus; Electrostatic with full use of vector calculus calculation of I
electric elds, electrostatic potential and Laplaces equation and uniqueness of its solution;
Method of images; Energy in electrostatics; Introduction to mult

Department of physics
Indian Institute of Technology, Kanpur
MKH/SMT/2016-17-II/Phy103
Assignment-2
Week of 16-1-17
Note: The problems assigned are from the text book Introduction to Electrodynamics (4th edition) by
David J. Griffiths
1.
2.
3.
4.
5.
6.
7.

January 6 and the week of 9 January 2017
In these lectures, we will start with a discussion of Coulombs law and its experimental verification by
Cavendish experiment. This will require come mathematical calculations with spherical charge
distributions whi

Department of physics
Indian Institute of Technology, Kanpur
MKH/SMT/2016-17-II/Phy103
Assignment-3
Week of 23-1-17
Note: The problems assigned are from the text book Introduction to Electrodynamics (4th edition) by
David J. Griffiths
1. Problem 2.41(do i

PHY103A: PHYSICS II (2015-2016, Semster-II)
Department of Physics, IIT Kanpur
This course is one of the three foundational courses for the first year of Engineering and Sciences
curriculum and seeks to provide the student with the basics of the electromag

Department of Physics, IIT Kanpur
Semester-II, 2015-16
PHY103
Problem Set # 8
Date: February 24, 2016
[DpC/AKJ]
1. Consider an infinite slab of conducting material with magnetic susceptibility m , is
placed parallel to xy plane, between z = a and z = a. I

Department of Physics, IIT Kanpur
Semester-II, 2015-16
PHY103
Problem Set # 7
Date: February 16, 2016
[DpC/AKJ]
1. Find the vector potential everywhere for
~ = K i, flowing over the x-y plane.
(a) an infinite uniform surface current K
(b) an infinitely lo

Department of Physics, IIT Kanpur
Semester-II, 2015-16
PHY103
Problem Set # 9
Date: March 3, 2016
[DpC/AKJ]
1. A metal bar of mass m slides frictionlessly on two parallel conducting rails a distance
l apart. A resistor R is connected across the rails and

PHY103,
Problem set-6
Date: November 1, 2013
[DpC]
1. A long straight conductor carries a steady current I. Show that the energy dissipated
by Joules heating is replenished by the inflow of energy through the Poynting vector.
2. A long coaxial cable carri

PHY103,
Problem set-2
Date: September 27, 2013
[DpC]
1. An infinitely long wire carrying current I runs down the y-axis to the origin, thence
out to infinity along the positive x axis. Find the magnetic field at a point P (x, y) in
the first quadrant (x >

PHY103,
Problem set-1
Date: September 21, 2013
[DpC]
1. (a) A current I flows in x-direction down a straight wire of radius R. If the volume
~
current density is inversely proportional to the distance from the axis, what is J?
(b) A thin disc carries a un