Class 12

Class 12

Refractive Index of a Liquid To find the refractive index of a liquid using convex lens by parallax method. | |

Concave Lens - Focal Length To find the focal length of a concave lens using a convex lens by (a) Lens in contact method (b) Lens out of contact method | |

Convex Mirror - Focal Length Find the focal length of a convex mirror using a convex lens | |

Refraction through a Prism (A) To study the angle of deviation (d) with angle of incidence (i) and to find the angle of minimum deviation (D) from i-d curve. (B) To find out the refractive index of the material of the prism using A and D. | |

Ohm's law and resistance To determine resistance per cm of a given wire by plotting a graph of potential difference versus current. | |

The potentiometer- Comparison of emf To compare the E.M.F.s of two given primary cells using potentiometer | |

Transistor characteristics To study the characteristics of a common n-p-n (or p-n-p) transistor and to find out the values of current and voltage gains. | |

The Concave mirror - u-v method To determine the focal length of athe given concave mirror by u-v method. | |

Diode characteristics To draw the I-V characteristics of a p-n junction diode in forward bias and reverse bias. | |

AC Sonometer To find the frequency of the A.C. mains with a sonometer (and an electromagnet). | |

Metre Bridge-Resistance of a wire To find the resistance of a given wire using metre bridge and find the specific resistance of the material of the wire | |

Metre bridge- Law of combination of resistors Verify the laws of combination (series/parallel) of resistances | |

The Potentiometer-Internal resistance of a cell To find the internal resistance of a given cell | |

Figure of Merit of a galvanometer To determine the resistance of a galvanometer by half deflection method and to find its figure of merit | |

Zener Diode To draw the characteristic curve of a zener diode and to determine its reverse break down voltage. | |

Conversion of Galvanometer to Ammeter To convert the given galvanometer (of known resistance and figure of merit) into an ammeter of desired range and to verify the same. |