ST. XAVIER’S HIGH SCHOOL, KHANDAGIRI BHUBANESWAR CBSE AFFLILAITION NO: 1530086 SCHOOL NO: 15500 BONAFIDE CERTIFICATE This to certify that The Physics Investigatory Project named as “ To investigate the dependence of the angle of deviation on the angle of incidence using a hollow prism filled one by one, with different transparent fluids” is successfully performed, completed and submitted by Swayam Kumar of XII-(2023-24) in partial fulfillment of Central Board Of Secondary Education (CBSE) leading to the award of Annual Examination of the year 2023-24. He has done this work under our supervision and guidance. We are happy that this work is a token of his hard work and dedication Signature of Internal Signature of External Signature of principal