What is Active Learning? Active learning is a student-centered teaching method where learners actively engage with the material through discussion, problem-solving, case studies, role-plays, and other hands-on activities—rather than passively receiving information from an instructor. It shifts the focus from "teaching" to "learning," emphasizing: Interaction (with peers, instructors, materials) Critical thinking and application Collaboration Reflection and metacognition Feedback-driven iteration Examples include: Flipped classrooms Peer instruction Project-based learning Inquiry-based labs Debates and simulations Why It's Critically Important in the 21st Century 1. Evolving Workforce Demands The 21st-century economy values skills beyond rote knowledge: Critical thinking & problem-solving Collaboration across diverse teams Creativity and innovation Adaptability to rapid change Active learning explicitly develops these competencie...
Physical Quantity Quantity Symbol Used for Unit abasement A Measure of sustained displacement: the first integral with respect to time of displacement m ⋅ s Absorbed dose rate D Absorbed dose received per unit of time Gy/s Acceleration a → Rate of change of velocity per unit time: the second time derivative of position m/s 2 Action S Momentum of particle multiplied by distance travelled J/Hz Angular acceleration ω a Change in angular velocity per unit time rad/s 2 Angular momentum L Measure of the extent and direction of an object rotates about a reference point kg ⋅ m 2 /s Angular velocity ω The angle incremented in a plane by a segment connecting an object and a reference point per unit time rad/s Area A Extent of a surface m 2 Area density ρ A Mass per unit area kg ⋅ m −2 Capacitance C Stored charge per unit electric potential farad (F = C/V) Catalytic activity concentration Change in reaction rate due to presence of a catalyst ...