This document provides a summary of the syllabus and instructions for the 10th class physical science exam in India. The syllabus covers 12 topics including reflection of light, chemical equations, acids and bases, refraction of light, the structure of atoms, and carbon compounds. The instructions state that students have 15 minutes to read the paper before answering any questions, with Part A answered in a separate book and Part B directly on the question paper. Section III of Part A contains internal choices where students must answer only one alternative.