The Joint Entrance Examination (Main) formerly All India Engineering Entrance Examination is an examination organised by the Central Board of Secondary Education in India
Physics is the natural science that studies matter and its motion and behavior through space and time and that studies the related entities of energy and force.
Mathematics is the study of such topics as quantity, structure, space, and change.
Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity. This material roughly covers a first-year high school or college course, and a good understanding of algebra is helpful.