
Kaksha 9 ki NCERT Science book, 'Vigyan', students ko basic scientific concepts samajhne mein madat karti hai. Is page par aapko pure science syllabus ke liye chapter-wise solutions milenge. Ye solutions aapko har topic ko acche se samajhne, homework complete karne aur exam ki taiyari karne mein help karenge.
Here we have provided NCERT Solution for Class 9 विज्ञान in hindi Language, Just select the chapters below to get solution of the same:
हमारे आस – पास के पदार्थ
क्या हमारे आस – पास के पदार्थ शुद्ध हैं
परमाणु एवं अणु
परमाणु की संरचना
जीवन की मौलिक इकाई
ऊतक
जीवों में विविधता
गति
बल तथा गति के नियम
गुरुत्वाकर्षण
कार्य तथा ऊर्जा
ध्वनि
हम बीमार क्यों होते हैं
प्राकृतिक संपदा
खाद्य संसाधनों में सुधार
Niche diye gaye links ya list se aap direct kisi bhi specific chapter ke solutions par ja sakte hain. Har solution mein theory, important formulas, aur numerical problems ka detailed answer diya gaya hai.
Is chapter mein aap matter, mixtures, compounds, aur unhe alag karne ki techniques ke bare mein padhenge. Solutions mein separation methods jaise evaporation, centrifugation, distillation ko examples ke saath explain kiya gaya hai.
Yahan aap mixtures aur compounds ke difference, solution, suspension, colloids ke bare mein seekhenge. Solutions mein concentration of a solution, solubility, aur saturation jaise topics cover kiye gaye hain.
Ye chapter bahut important hai. Iske solutions mein aapko atoms, molecules, ions, chemical formulae, mole concept, aur molecular mass calculate karne ke saare steps milenge. Har numerical problem ka solution step-by-step diya gaya hai.
Thomson, Rutherford, Bohr ke atomic models, electrons, protons, neutrons, atomic number, mass number, isotopes aur isobars ke baare mein detailed answers yahan available hain. Diagrams ke saath explanation diya gaya hai.
Cell ko samajhne ke liye is chapter ke solutions bahut helpful hain. Cell structure, organelles jaise nucleus, mitochondria, Golgi apparatus, endoplasmic reticulum ke functions ko achhe se define kiya gaya hai. Plant cell aur animal cell ke differences bhi explain kiye gaye hain.
Plant tissues aur animal tissues ke types, functions, aur structure par detailed notes solutions ke roop mein hain. Meristematic tissue, permanent tissue, epithelial tissue, muscular tissue ke diagrams ke saath clear answers diye gaye hain.
Classification of organisms, binomial nomenclature, aur five-kingdom classification ke rules aur examples ko simple language mein samjhaya gaya hai. Solutions mein important characteristics of each kingdom bhi list ki gayi hain.
Physics ka ye first chapter hai. Iske solutions mein distance, displacement, speed, velocity, acceleration, aur equations of motion ke numerical problems solve karne ke tarike hain. Graphs ko kaise plot karte hain, ye bhi bataya gaya hai.
Newton's three laws of motion, inertia, momentum, conservation of momentum, aur force ke numerical problems ka complete solution yahan se prapt karein. Real-life examples ke saath laws ko explain kiya gaya hai.
Universal law of gravitation, acceleration due to gravity ('g'), mass aur weight ke difference, thrust aur pressure, Archimedes' principle, aur relative density ke numericals ke liye ye solutions refer karein.
Work, energy, aur power ke concepts, different forms of energy, law of conservation of energy, aur commercial unit of energy (kilowatt-hour) ke bare mein questions ke answers yahan milenge. Numerical problems ke solutions bhi hain.
Sound ke production, propagation, reflection (echo), range of hearing, ultrasound, aur structure of human ear ke baare mein saare textbook questions ke answers is section mein detailed hain. Sound wave ke characteristics bhi cover kiye gaye hain.
Health aur disease ke difference, causes of diseases, infectious and non-infectious diseases, principles of treatment aur prevention ke baare mein important points aur answers diye gaye hain.
Biogeochemical cycles (water, nitrogen, carbon, oxygen), pollution, ozone layer depletion, aur sustainable development jaise topics ke liye NCERT ke prashnon ke uttar yahan likhe hain.
Crop production management, animal husbandry, fishery, poultry farm management, aur bee-keeping jaise topics ke liye solutions mein short aur long answers dono diye gaye hain.
Sabse pehle khud se question solve karne ka prayas karein. Phir apne answer ko verify karne ke liye NCERT solutions dekhein. Agar koi concept clear nahi hai, toh solution ke saath diye gaye explanation ko carefully padhein. Important formulas aur definitions ko ek alag copy mein note karein jo revision ke time helpful hoga.