## Physics Practical Class 11 Lab Manual

- General Introduction
- Measurement of Length
- To measure diameter of a small spherical/cylindrical body using Vernier Callipers.
- To measure the dimensions of a given regular body of known mass using a Vernier Callipers and hence find its density.
- To measure internal diameter and depth of a given beaker/calorimeter using a Vernier Callipers and hence find its volume.
- To measure diameter of a given wire using screw gauge.
- To measure thickness of a given sheet using screw gauge.
- To determine volume of an irregular lamina using screw gauge.
- To determine radius of curvature of a given spherical surface by a spherometer.

- Measurement of Mass
- Measurement of Time
- Vector Addition
- Motion Under Gravity and Acceleration due to Gravity
- Friction
- Motion of a Body Down an Inclined Plane
- To find the downward force, along an inclined plane, acting on a roller due to gravitational pull of the earth and study its relationship with the angle of inclination θ by plotting graph between force and sin θ.
- Activities
- To make a paper scale of given least count, e.g., 0.2 cm, 0.5 cm.
- To determine mass of a given body using a metre scale by principle of moments.
- To plot a graph for a given set of data, with proper choice of scales and error bars.
- To measure the force of limiting friction for rolling of roller on a horizontal plane.
- To study the variation in range of a projectile with angle of projection.
- To study the conservation of energy of a ball rolling down on an inclined plane (using a double inclined plane).
- To study dissipation of energy of a simple pendulum by plotting a graph between square of amplitude and time.

- Elasticity
- Atmospheric Pressure
- Surface Tension
- Viscosity
- Thermal Expansion of Solids
- Thermal Expansion of Liquids
- Thermal Radiation
- Heat
- Wave Motion and Velocity of Waves
- Vibration of Strings and Air Columns
- To study the relation between frequency and length of a given wire under constant tension using sonometer.
- To study the relation between the length of a given wire and tension for constant frequency using sonometer.
- To find the speed of sound in air at room temperature using a resonance tube by two resonance positions.

- Activities
- To observe change of state and plot a cooling curve for molten wax.
- To observe and explain the effect of heating on a bi-metallic strip.
- To note the change in level of liquid in a container on heating and interpret the observations.
- To study the effect of detergent on surface tension of water by observing capillary rise.
- To study the factors affecting the rate of loss of heat of a liquid.
- To study the effect of load on depression of a suitably clamped metre scale loaded at (i) its end (ii) in the middle.
- To observe the decrease in pressure with increase in velocity of a fluid.