Class 9 Maths Ch 14 Ex 14.4 Surface Area & Volume | New Book

Complete Step-by-Step Solutions for Exercise 14.4: Surface Area and Volume (Math of Space - Chapter 14) | Class 9 Maths (New NCERT Textbook / CBSE 2026-27). Master all questions of Exercise 14.4 from Chapter 14 for Class 9 Mathematics. This lecture is strictly based on the latest New NCERT Textbook (Ganita Manjari) for the 2026-27 academic session. In this video, we solve every problem step-by-step with clear working, formula substitutions, and geometric reasoning, including: Volume and capacity calculations of spheres and hemispheres Volume of a Sphere formula: V = 4/3 πr³ Volume of a Hemisphere formula: V = 2/3 πr³ Converting volume to liquid capacity (liters to cm³ / m³) Mass, density, and volume word problems (Mass = Density × Volume) Step-by-step NCERT exercise solutions with neat presentation tips Questions Covered in Exercise 14.4: Question 1: Finding the volume of a sphere given its radius Question 2: Calculating the amount of water displaced by a solid spherical ball (given diameter) Question 3: Finding the mass of a metallic ball given diameter and density Question 4: Comparing diameter and volume fractions of spherical bodies Question 5 & onwards: Capacity of hemispherical bowls, lead shots, and word problems Final Chapter 14 wrap-up and essential board exam presentation Important Links & Resources: Download Exercise Handwritten Notes / PDF: https://t.me/PadoPanda Join our Telegram/Community for doubt solving: https://t.me/PadoPanda WhatsApp Doubts/Inquiries: +91 8800361846 #class9maths #surfaceareaandvolume #mathofspace #exercise14point4 #class9mathschapter14 #newNCERT #ganitanmanjari #padopanda