Monday, 10 March 2014

Details of Class XII physics practical


Details of Class XII Physics Practical’s
Note :    A. Every Student Will perform 10 Experiments ( 5 from Each Section A and B) and
 6 Activities  (3 from Each Section ) During the academic year. One Investigatory Project
    is also to be done during the Year.
B. Evaluation Scheme for Practical Examination  (Total  30 Marks )
       Two Experiment From Each Section                                                7  +  7  = 14 Marks
       Record of Investigatory Project And Viva on it.                                         5 Marks
       Practical Record of Experiments and activities (Lab Manual )                     6 Marks 
 Viva Voice of Practical’s and Activities.                                                        5 Marks 

Section A
Experiments
1.To establish current-voltage relationship (ohm’s law) for a metallic conductor and find its resistance.
2. To find Resistance of a given wire by using meter bridge and determine the specific resistance of its material.
3.To verify law of combination (Series / Parallel ) of resistances using a meter bridge.
4. To compare emf of two given primary  cells using potentiometer.
5.To determine internal resistance of a given primary cell using potentiometer.
Activity
1.To measure resistance , voltage (AC / DC ) , current AC of a given circuit using multimeter .
2. To assemble the components of a given electrical circuit.
3.To find current by measuring voltage across a given resistor.
                                                                         Section B
Experiments
1. To find the value of V for different values of U in case of a concave mirror and find the  focal length.
2.To find the focal length of convex lens by plotting graph between U and V or 1/U and 1 /V.
3. To determine angle of minimum deviation for a given prism by plotting graph between angle of incidence and angle of deviation.
4.To determine refractive index of glass slab using travelling microscope.
5. To draw  input and output characteristics graph of NPN / PNP common Emitter transistor .
Activity
1.To find refractive index of water by using a  concave mirror.
2. To find refractive index of water by using plane mirror and convex lens.
3.To observe refraction and lateral deviation of a beam of light by using a glass slab.
           List of Suggested Investigatory projects
1. To study various factors on which internal resistance/ emf  of a cell depends.
2. To design an automatic traffic signal system using  suitable combination of logic gates.
3. To explain the working of logic gates by their truth table.
4.To investigate whether the energy of a simple pendulum conserved.
5. To study Laser and the principle of laser .
Physics Classes by Er.Shyam Pachori 
Add: C.L 81 D.D Nagar , Contact No. 09039803981

No comments:

Post a Comment