Case Studies

Why Can’t Petrol Cars Instantly Switch to Hydrogen Fuel Everywhere?

This Class 10 Physics case study explores why hydrogen-powered vehicles are not common despite their high calorific value and clean combustion. Students analyse real-world transport challenges, fuel efficiency, and energy concepts through competency-based questions.

How Does a Biogas Plant Turn Kitchen Waste Into Cooking Fuel?

Learn how kitchen waste and animal dung are converted into useful cooking fuel through a real-life Biomass and Biogas case study. Includes CBSE-style MCQs, assertion-reason, HOTS, and data-based questions for Class 10 Science.

Why Do Solar Panels Produce Less Electricity on Extremely Hot Days?

This Class 10 Physics case study explains why solar panels sometimes produce less electricity during extreme summer heat. Students explore renewable energy, efficiency, and real-life data analysis through CBSE-style questions.

The Mystery of Compass Needles Going Crazy During Solar Storms

This advanced Class 10 Physics case study explains how solar storms disturb Earth’s magnetic field and affect compass readings. Includes CBSE-style MCQs, HOTS questions, and real-world scientific reasoning.

Why Can’t Birds Sitting on High-Voltage Wires Feel the Magnetic Effects Around Them?

This Class 10 Physics case study explains why birds safely sit on high-voltage wires despite strong electric currents. It connects the Right-Hand Thumb Rule with real railway and power-line observations in a CBSE competency-based format.

How Does an MRI Machine See Inside the Human Body Without Cutting It Open?

Discover how MRI machines use magnetic fields created by electric current to help doctors see inside the human body safely. This Class 10 Physics case study connects NCERT concepts with real medical technology.