Determine the moment of inertia of a flywheel.
Experiment to determine the moment of inertia of a flywheel using falling weights, measuring the axle, rotations, and time to calculate rotational inertia. Apparatus Flywheel Two weights: 300 g and 200 g Cotton string Stopwatch Metre rod Vernier caliper Observations Vernier constant of caliper: … cm Diameter of axle (1st position, d₁): … cm Diameter […]
Determine AC frequency using Melde’s apparatus.
Determine A.C. frequency using Melde’s apparatus and sonometer by studying stationary waves, resonance, and string tension. Apparatus An electrically maintained tuning fork, stout cotton thread, light scale pan, weight box, rheostat, step-down transformer, and a frictionless pulley. Observations Mass of 1-meter thread (m) = ………… g Mass of 1 cm thread (m/100) = ………… g […]
Determine Young’s modulus of elasticity of a wire by ratio:
Experiment with Searle’s apparatus to determine Young’s modulus of a wire by measuring stress, strain, and extension, and verifying elasticity with precision. Apparatus Searle’s apparatus includes, micrometer screw gauge, a meter rod, two identical wires, a spirit level, and kilogram weights. Observations Length of wire (L) = …… cm Pitch of screw gauge = […]
Study a body falling in a viscous medium to find viscosity.
Experiment to study the fall of a body through a viscous medium using ball bearings in glycerin to determine the uniform viscosity by measuring terminal velocity. Apparatus Measuring cylinder, glycerine, stopwatch, small steel ball bearings of varying diameters, micrometer screw gauge, metre ruler, hydrometer, and thermometer (0–100°C). Observations Zero error of micrometer screw gauge: ………… […]
Verify the Second Condition of Equilibrium.
Experiment to verify the second condition of equilibrium using a meter rod and suspended weights by balancing clockwise and anticlockwise torques. Apparatus Meter rod, sharp wedge, three weights (W₁, W₂, W₃), and a stand. Procedure Firstly, take a meter rod and find its center of gravity (G) by balancing it carefully on a sharp […]
Momentum conservation with trolley collisions is studied.
Experiment to verify conservation of momentum by colliding trolleys on a smooth surface, measuring distances, and comparing initial and final momentum. Apparatus This experiment requires two carts with frictionless wheels and springs, two wooden bumpers, a meter scale, and a self-indicating balance. Additionally, a spirit level is used to ensure the table remains perfectly horizontal […]
Find g using oscillations of a mass-spring system.
Experiment to determine acceleration due to gravity using a mass-spring system by measuring oscillation time, extension, and applying SHM relations. Apparatus The experiment requires a helical spring of known spring constant (K), an iron stand with a clamp, slotted weights, and a stopwatch for timing oscillations. All equipment should be properly aligned before beginning the […]
Convert the galvanometer into a 0–1.5A range ammeter.
Experiment to convert a galvanometer into an ammeter of 0–1.5A range by connecting a suitable shunt resistance in parallel and verifying through calculations. Apparatus Galvanometer, ammeter, voltmeter, accumulator, resistance box, plug key, connecting wires, shunt wire, and screw gauge. Theory A galvanometer detects small currents. To measure larger currents, we connect a small shunt resistance […]
Convert galvanometer to 0–3V voltmeter, study thermistor
Experiment to convert a galvanometer into a 0–3V voltmeter and study how thermistor resistance changes with temperature using a slide wire bridge. Apparatus Thermistor Test tube Thermometer Slide wire bridge Resistance box Galvanometer Rheostat Cell Tapping key Connecting wires Theory A thermistor is a heat-sensitive resistor made from semiconductor materials. Most thermistors have a negative […]
“Determine the electrical resistance of a voltmeter.”
Experiment to determine the resistance of a voltmeter by connecting it in series with a resistance box and battery, then plotting a graph between R and 1/V. Apparatus Battery Voltmeter Resistance box Key and connecting wires Theory We connect a battery of electromotive force EEE in series with a resistance RRR from a resistance box […]