To study dissipation of energy of a simple pendulum by plotting a graph between

# To study dissipation of energy of a simple pendulum

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To study dissipation of energy of a simple pendulum by plotting a graph between square of amplitude & time SECTIONBExperiments 1.To determine Young's modulus of elasticity of the material of a given wire. 2.To determine the surface tension of water by capillary rise method 3.To determine the coefficient of viscosity of a given viscous liquid by measuring terminal velocity of a given spherical body 4.To determine specific heat capacity of a given solid by method of mixtures 5.a) To study the relation between frequency and length of a given wire under constant tension using sonometer b) To study the relation between the length of a given wire and tension for constant frequency using sonometer. 6.To find the speed of sound in air at room temperature using a resonance tube by two resonance positions. 7.To find the value of vfor different values of uin case of a concave mirror and to find the focal length. 8.To find the focal length of a convex lens by plotting graphs between u and v or between 1/u and 1/v. 9.To determine angle of minimum deviation for a given prism by plotting a graph between angle of incidence and angle of deviation. 10.To determine refractive index of a glass slab using a travelling microscope. Activities (for the purpose of demonstration only)1.To observe change of state and plot a cooling curve for molten wax. 2.To observe and explain the effect of heating on a bi-metallic strip. 3.To note the change in level of liquid in a container on heating and interpret the observations. 4.To study the effect of detergent on surface tension of water by observing capillary rise. 5.To study the factors affecting the rate of loss of heat of a liquid. 6.To study the effect of load on depression of a suitably clamped metre scale loaded at (i) its end (ii) in the middle. 7.To observe the decrease in presure with increase in velocity of a fluid. 8.To observe refraction and lateral deviation of a beam of light incident obliquely on a glass slab. 9.To study the nature and size of the image formed by a (i) convex lens, (ii) concave mirror, on a screen by using a candle and a screen (for different distances of the candle from the lens/mirror). 10.To obtain a lens combination with the specified focal length by using two lenses from the given set of lenses.
Practical Examination for Visually Impaired StudentsClass XINote: Same Evaluation scheme and general guidelines for visually impaired students as given for Class XIImay be followed.A.Items for Identification/Familiarity of the apparatus for assessment in practicals (All experiments) 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,

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• Spring '17
• Lynch
• Magnetic Field, convex lens, Max. Marks, Ray optics, marks weightage