भारत सरकारGovernment of IndiaMinistry of EducationDepartment of School Education & LiteracyToll-free helpline 1800-11-8004Mon–Sat · 8 AM – 8 PM IST

प्रज्ञानPragyan · Learning Portal

150 XPGuest StudentGuest

12

Sound

LO-8-SCI-12-01LO-8-SCI-12-02LO-8-SCI-12-03 D-8-SCI-12 · DIKSHA

Videos

0

Notes

0

PYQ MCQs

0

1 · Learning Hub 2 · Objective (20 MCQs) 3 · Subjective (2/3/5M) 4 · AI Tutor

Your chapter AI tutor

Science · Sound

Namaste! I’m Pragyan, your AI study companion. Ask a question and we’ll work through it together.