According to the third law of motion, action and reaction always act on different bodies in opposite directions. Question: There are 3 solids made up of aluminium, steel and cotton of the same shape & ...

The National Council of Educational Research and Technology is the pinnacle to create and publish the content as per the central syllabus. To help students practice challenging and high-order ...

NCERT books are the first preference to prepare for CBSE and competitive exams. Class 9 is the foundation builder for students so they need to develop a strong conceptual foundation for higher studies ...