July 25, 2026
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July 25, 2026
NCERT Solutions: Laws of Motion
Q4.1: Give the magnitude and direction of the net force acting on(a) a drop of rain falling down with a constant speed,(b) a cork of mass 10 g floating on water,(c) a kite skillfully held stationary in the sky,(d) a car moving with a constant velocity of 30 km/h on a rough road,(e) a high-speed electron […]July 25, 2026
NCERT Solutions: Motion in a Plane
Q3.1: State, for each of the following physical quantities, if it is a scalar or a vector:Volume, mass, speed, acceleration, density, number of moles, velocity, angular frequency, displacement, angular velocity. Ans: Scalar: A scalar quantity is specified by its magnitude only. It does not have any direction associated with it. Volume, mass, speed, density, number of […]July 25, 2026
NCERT Solutions: Motion in a Straight Line
Q2.1: In which of the following examples of motion, can the body be considered approximately a point object:(a) a railway carriage moving without jerks between two stations.(b) a monkey sitting on top of a man cycling smoothly on a circular track.(c) a spinning cricket ball that turns sharply on hitting the ground.(d) a tumbling beaker that […]
July 25, 2026
Class 12 Physics
Master Class 12 Physics through clear theory, detailed derivations, diagrams, experiments, and step-by-step numerical solutions. The course provides complete preparation for board and competitive examinations. Course includes chapter-wise notes, important formulas, derivations, ray diagrams, circuit diagrams, solved numericals, NCERT solutions, practical concepts, worksheets, previous-year questions, chapter tests, revision assignments, and sample papers.
July 25, 2026