Important Links   |   Complaints / Suggestions  |   Office Circulars  |   Jobs / Vacancies  |   Fun Stuff |   Contact us  |   Webmail Login
 
Physics Practica
 
  • EVALUATION SCHEME FOR PRACTICAL EXAMINATIONS OF CLASS XII  MARCH 2013 

Two experiment (One from each section)                                                       8+8 marks
Practical record (experiments & activities)                                                      6 marks
Project                                                                                                        3 marks
Viva on experiments and Project                                                                   5 marks
 -------------------------------------------------------------------------------------------------------------------------
                   Total                                                                                      30 marks
--------------------------------------------------------------------------------------------------------------------------

PRACTICAL PERFORMED IN SARASWATI PUBLIC SCHOOL, JAGADHRI
Section A

  • To find the resistance of a given wire using meter bridge and hence determine the specific resistance of its material.
  • To determine the resistance per cm of a given wire by plotting a graph of potential difference versus current.
  • To verify the laws of combinations ( Series/parallel) of resistances using a meter bridge.
  • To determine the resistance of a galvanometer by half deflection method and to find its figure of merit.
  • To compare the emf of two given primary cells using potentiometer.

Section B

  • To find the focal length of  a convex lens by plotting graph between u and v or between 1/u and 1/v.
  • To determine the angle of minimum deviation for a given prism by plotting a graph between angle of incidence and angle of deviation.
  • To draw the I-V characteristic curve of a p-n junction in forward and reverse bias.
  • To draw the I-V characteristic curve for Zener diode and to determine its reverse breaks down voltage.
  • To study the characteristics of a common emitter n-p-n or p-n-p transistor and to find out the value of current voltage gains

ACTIVITIES DONE IN SARASWATI PUBLIC SCHOOL, JAGADHRI
Section A

  • To assemble a house hold ckt comprising three bulbs, three (on/off) switches, Thee pin schocket, a fuse and a power source.
  • To assemble the components of given electrical circuit.
  • To measure the resistance, voltage (AC/DC), current (AC) and check continuity of a given circuit using multimeter.
  • To assemble the given resistors in suitable combinations to obtain a desired resistance and verify its value with a multimeter
  • To find the current by measuring the voltage across a given resistor.

Section B

  • To study the refraction and lateral deviation of ray of light passing through a glass slab.
  • To study the effect of light on L.D.R.(light dependent resistor)
  • To identify a diode, a LED, an transistor, an IC, a resistor and a capacitor from a mixed collection of items.
  • To study the nature and size of the image formed by convex lens using a candle and screen.
  • To observe the polarization of light using polaride piece

PROJECT

  • Student  will submit the model and theoretical report  of related model.
  • Beside it student will submit the collection of semiconducting devices and component and also collection of electrical components

 

  Best Viewed in 1024x768
All Copyrights Reserved © Saraswati Public School
Powered by Quadrant Infosolutions Pvt. Ltd.