To find the speed of sound in air, at room temperature, using a resonance tube, by observing the two resonance positions. (ii) To study the relation between the length of a given wire and tension, for constant frequency, using a sonometer.ġ0. (i) To study the relation between frequency and length of a given wire under constant tension using a sonometer. To find the force constant of given helical spring by plotting a graph between load and extension.ĩ. Hence find the effective length of second’s pendulum using appropriate length values.Ĩ. Using a simple pendulum plot L-T and L-T 2 graphs. To find the weight of given body using the parallelogram law of vectors.ħ.

To determine the mass of a given object using a beam balance.Ħ. To measure thickness of a given sheet using screw gauge.ĥ. To measure diameter of given wire using screw gauge.Ĥ. To measure the internal diameter and depth of a given beaker/calorimeter using vernier calipers and hence find its volume.ģ. To measure diameter of a small spherical/cylindrical body using vernier calipers.Ģ. Spherical ball, Cylindrical objects, vernier calipers, beaker, calorimeter, Screw gauge, wire, Beam balance, spring balance, weight box, gram and milligram weights, forceps, Parallelogram law of vectors apparatus, pulleys and pans used in the same ‘weights’ used, Bob and string used in a simple pendulum, meter scale, split cork, suspension arrangement, stop clock/stop watch, Helical spring, suspension arrangement used, weights, arrangement used for measuring extension, Sonometer, Wedges, pan and pulley used in it, ‘weights’ Tuning Fork, Meter scale, Beam balance, Weight box, gram and milligram weights, forceps, Resonance Tube, Tuning Fork, Meter scale, Flask/Beaker used for adding water.ġ. Note: Same Evaluation scheme and general guidelines for visually impaired students as given for Class XII may be followed.Ī.Items for Identification/Familiarity of the apparatus for assessment in practical’s (Allexperiments) Practical Examination for Visually Impaired Students To observe the decrease in pressure with increase in velocity of a fluid. To study the effect of load on depression of a suitably clamped metre scale loaded at (i) its end (ii) in the middle.ħ. To study the factors affecting the rate of loss of heat of a liquid.Ħ. To study the effect of detergent on surface tension of water by observing capillary rise.ĥ. To note the change in level of liquid in a container on heating and interpret the observations.Ĥ. To observe and explain the effect of heating on a bi-metallic strip.ģ. To observe change of state and plot a cooling curve for molten wax.Ģ.

To find the speed of sound in air at room temperature using a resonance tube by two resonance positions.ġ.

To study the relation between the length of a given wire and tension for constant frequency using sonometer.ġ0.

Investigatory project physics class 11