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Force and Pressure

6 Notes | 3 Exercises | 3 Videos

Friction

6 Notes | 3 Exercises | 3 Videos

Sound

8 Notes | 4 Exercises | 4 Videos

Chemical Effect of Electric Current

6 Notes | 3 Exercises | 3 Videos

Some Natural Phenomenon

6 Notes | 3 Exercises | 3 Videos

Light

6 Notes | 3 Exercises | 3 Videos