CLASS 9 maths surface area and volume exercise 11.4

Описание: CLASS 9 maths surface area and volume exercise 11.4

In this video, we cover Class 9 Maths – Surface Area and Volume, Exercise 11.4 in a clear and detailed manner. Every question of Exercise 11.4 is solved step by step so that students can easily understand the concepts and apply them in exams.
This lecture is especially helpful for:
Class 9 CBSE / NCERT students
Students preparing for school exams and tests
Anyone who wants a strong conceptual understanding of Surface Area and Volume
📌 What you will learn in this video:
• Complete solution of Exercise 11.4
• Surface area and volume concepts explained clearly
• Proper formulas and their applications
• Step-by-step problem-solving approach
• Exam-oriented explanation
Make sure to watch the video till the end for complete clarity on all questions.
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📚 Chapter: Surface Area and Volume
📘 Class: 9
✏️ Exercise: 11.4
Thank you for watching 😊

timestamps :
Introduction to Exercise 11.4 and Formulas for Volume of Sphere and Hemisphere: (0:00-0:29)
Question 1 - Finding Volume of Sphere (Part 1 - Radius 7 cm): (0:30-2:00)
Question 1 - Finding Volume of Sphere (Part 2 - Radius 0.63 m and Unit Conversion): (2:02-8:27)
Question 2 - Finding Amount of Water Displaced by a Spherical Ball (Part 1 - Diameter 28 cm): (8:29-11:15)
Question 2 - Finding Amount of Water Displaced by a Spherical Ball (Part 2 - Diameter 0.21 m): (11:18-13:03)
Question 4 - Ratio of Volume of Moon to Earth: (13:03-15:57)
Question 3 - Finding Mass of a Metallic Ball (using Volume and Density): (15:59-20:50)
Question 5 - Finding Volume of Milk a Hemispherical Bowl can Hold: (20:50-23:53)
Question 6 - Finding Volume of Iron Used to Make a Hemispherical Tank (with Thickness): (23:53-32:59)
Question 7 - Finding Volume of Sphere from its Surface Area: (33:01-35:05)
Question 8 - Finding Surface Area and Volume of a Hemispherical Dome (from Whitewashing Cost): (35:07-41:05)