Author Archive: Ravi Kumar
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Ravi Kumar, Founder of JAC Portal (Jharkhand), shares latest JAC Board updates, study materials (Class 8–12), and JTET notes to help students with accurate and useful information.
किशोरावस्था की ओर (Class 8 Science Notes in Hindi)
Ravi Kumar
ध्वनि (Class 9 Science Notes in Hindi)
Ravi Kumar
जीवन की मौलिक इकाई (Class 9 Science Notes in Hindi)
Ravi Kumar
कार्य तथा ऊर्जा (Class 9 Science Notes in Hindi)
Ravi Kumar
गुरुत्वाकर्षण (Class 9 Science Notes in Hindi)
Ravi Kumar
बल तथा गति के नियम (Class 9 Science Notes in Hindi)
Ravi Kumar
गति (Class 9 Science Notes in Hindi)
Ravi Kumar
ऊतक (Class 9 Science Notes in Hindi)
Ravi Kumar
परमाणु की संरचना (Class 9 Science Notes in Hindi)
Ravi Kumar
परमाणु एवं अणु (Class 9 Science Notes in Hindi)
Ravi Kumar
क्या हमारे आस-पास के पदार्थ शुद्ध हैं (Class 9 Science Notes in Hindi)
Ravi Kumar
हमारे आस-पास के पदार्थ (Class 9 Science Notes in Hindi)
Ravi Kumar
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