Cover page of my CBSE class 12 diffraction project. Radhika Prasad

1. THE MOTHER’S INTERNATIONAL SCHOOL
2014-15
PHYSICS
ROLL NO
PROJECT TITLE : EXPERIMENTS ON DIFFRACTION

2. Experiments on
Diffraction

3. Contents
Certificate i
Acknowledgement ii
1. Historical Background 1
2. Theory 2
3. Procedure and Experimental Setup 5
4. My Initial Attempts on Diffraction 8
5. Experiment 1: To measure the thickness of
a hair strand through optical diffraction 13
6. Experiment 2: To measure the pitch of a TEM
grid through optical diffraction 16
7. Errors Involved 19
References 19
Bibliography 19

4. Certificate
This is to certify that the student bearing the roll
number of class XII, session 2014-2015
of The Mother’s International School has duly
performed and completed the project entitled
“Experiments on Diffraction” under my guidance.
Sharmistha Sanyal
PGT Physics
i

5. Acknowledgement
I would like to thank Sharmistha ma’am for her constant
support and guidance in helping me complete this project.
I would also like to thank my younger brother Raghubir
(class 4) who helped me in carrying out the experiments.
ii