Class 11

Class 11

Vernier Calipers Use of Vernier Calipers (i)To measure the diameter of a small spherical / cylindrical body. (ii)To measure the length, width and height of the given rectangular block. (iii)To measure the internal diameter and depth of a given beaker/calorimeter and hence find its volume. | |

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 () by plotting graph between force and sin θ | |

Parallelogram Law of Vectors. To find the weight of a given body using parallelogram law of vectors. | |

Newton's Law of Cooling(Thermal Radiation) To study the relationship between the temperature of a hot body and time by plotting a cooling curve. | |

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

Young's Modulus Determine Young's modulus of elasticity of the material of a given wire | |

Screw Gauge Use of screw gauge:(i) to measure diameter of a given wire and (ii) to measure thickness of a given sheet. | |

Simple pendulum To plot L-T and L-T2 graphs using a simple pendulum and thus find the; Effective length of the second's pendulum using the appropriate graph. Acceleration due to gravity. | |

Spherometer To measure the thickness of a glass strip and to determine the radius of curvature of a given spherical surface. | |

Beam Balance To find the mass of the given body by sensibility method, using a beam balance. | |

Friction To study the relationship between force of limiting friction and normal reaction and to find the co-efficient of friction between a block and a horizontal surface | |

Helical Spring To find the force constant of a helical spring by plotting a graph between load and extension. | |

Surface Tension To determine the surface tension of water by capillary rise method. | |

Viscosity of a liquid - Stoke's method To determine the coefficient of viscosity of a given viscous liquid by measuring terminal velocity of a given spherical body. | |

Boyle's Law To study the variation in volume with pressure for a sample of air at constant temperature by plotting graphs between P and V, and between P and 1/v. | |

Sonometer 1. To study the relation between frequency and length of a given wire under constant tension using sonometer. To plot a graph between ν and l. 2. To study the relation between length of a given wire and tension for constant frequency using sonometer. To plot a graph between l2 and T. |