Determine the resistance of a wire using a slide wire bridge.
Determine unknown wire resistance using a slide wire bridge via the Wheatstone principle, ensuring an accurate balance point and measurements. Apparatus Slide wire bridge Resistance box Unknown resistance Galvanometer Rheostat Cell Tapping key Connecting wires and sandpaper Theory Wheatstone Bridge Principle We determine unknown resistance using the Wheatstone bridge principle. A bridge consists of four […]
“Measure sound speed at 0°C using a resonance tube”
Experiment to measure sound velocity at 0°C using a resonance tube, tuning forks, and an air column, accounting for end correction for accurate results. Apparatus Resonance tube apparatus, pinch cock, vernier callipers, thermometer, two tuning forks of known frequencies, a rubber pad, a set square, and a beaker.Each component serves a purpose. For instance, the […]
“Find prism material refractive index using a spectrometer”
Determine the refractive index of a prism using a spectrometer by measuring angles of minimum deviation and prism, ensuring precise alignment and readings. Apparatus Spectrometer, glass prism, and sodium lamp. Theory A spectrometer is an optical instrument used in laboratories to measure the wavelength of light and the refractive index of solids.It mainly consists of […]
Find the focal length of a concave lens using a convex lens.
Experiment to determine the focal length of a concave lens using a convex lens by forming a real image of a virtual object for accurate measurement. Apparatus Concave lens, convex lens, optical bench, and knitting needle. Observation Length of the knitting needle (Lo) = …… cm Distance between the convex and concave lens (L) = […]
Find the concave lens focal length using a mirror & lens.
Experiment to find the focal length of a concave lens using a concave mirror and a concave lens with the optical bench and needle method. Apparatus A concave lens, a concave mirror with a short focal length, three uprights, an optical bench, and a knitting needle. Observations and Calculations No. of obs. […]
Determine the convex lens focal length by displacement.
Determine the focal length of a convex lens using the displacement method by measuring object-image distances and applying parallax correction for accuracy. Apparatus A convex lens, three uprights, an optical bench, two parallax needles, a knitting needle, and a meter rod. Observations and Calculations Approximate focal length of convex lens (f) = …………..m Length of […]
Find the volume of a cylinder using Vernier calipers.
Determine the volume of a cylinder using Vernier calipers by measuring its diameter and length accurately and applying the formula V = πr²l. Apparatus Vernier callipers and a solid cylinder. Diagram Vernier Callipers Introduction Vernier callipers are used to measure the length, internal, and external diameters of objects with high accuracy.They consist of a […]