What is Acceleration?
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Acceleration is a change in velocity over time. It is a vector quantity that is defined as the rate at which an object changes…
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Difference between Velocity and Speed
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Just as distance and displacement have distinctly different meanings (despite their similarities), so do speed and velocity. Speed is a scalar quantity that refers to “how fast an…
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Heat Engine
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What is a heat engine? The heat engine is a device which converts heat into useful mechanical energy. Name the two types of heat…
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Expert Tips to score better in 11th Maths Exam- Free practice Tests
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A presentation is more important in final First-year exams besides the answer to score more.
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Kinematics – Class XI & IIT-JEE
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Introduction to Kinematics – IIT JEE Main and Advanced Physics Video Lecture
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Basics of Chemistry – Class XI & IIT-JEE
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Introduction, definition of atomic weight, gram atomic weight
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