practical file for class 12

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physics all necessary practicals for class 12 cbse. VERY EASY. ALL THE BEST FOR YOUR FUTURE EXAMS. AND THIS FILE CAN HELP YOU TO GET 100% PRACTICAL MARKS.

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Physics Practical Record Class XII, Session 2019-20 List of Practicals:- Experiments(a) 1. To determine resistance per cm of a given wire by plotting a graph for potential difference versus current. 2. To find resistance of a given wire using metre bridge and hence determine the resistivity (specific resistance) of its material. 3. To verify the laws of combination (series) of resistances using a metre bridge. 4. To verify the laws of combination (parallel) of resistances using a metre bridge. 5. To compare the EMF of two given primary cells using potentiometer. 6. To determine the internal resistance of given primary cell using potentiometer. 7. To determine resistance of a galvanometer by half-deflection method and to find its figure of merit. 8. To convert the given galvanometer (of known resistance and figure of merit) into a voltmeter of desired range and to verify the same. 9. To convert the given galvanometer (of known resistance and figure of merit) into an ammeter of desired range and to verify the same. Experiments(b) 1. To find the value of v for different values of u in case of a concave mirror and to find the focal length. 2. To find the focal length of a convex mirror, using a convex lens. 3. To find the focal length of a convex lens by plotting graphs between u and v or between 1/u and 1/v. 4. To find the focal length of a concave lens, using a convex lens. 5. To determine angle of minimum deviation for a given prism by plotting a graph between angle of incidence and angle of deviation. 6. To determine refractive index of a glass slab using a travelling microscope. 7. To find refractive index of a liquid by using convex lens and plane mirror. 8. To draw the I-V characteristic curve for a p-n junction in forward bias and reverse bias. 9. To draw the characteristic curve of a zener diode and to determine its reverse breaks down voltage.

PHYSICS PRACTICAL RECORD XII

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CBSE Physics Practicals for Class 12 are an important part of the assessment, which also adds to the subject’s final marks. As the CBSE exam approaches, students get busy preparing for different subjects. But an essential part of the CBSE exam is the CBSE Class 12 practical, which consist of 30 marks. Students must know all the experiments along with theorems, laws and numerical to understand all the concepts of CBSE 12th standard Physics in a detailed way. Students can also get the Physics Practical Class 12 pdf download for free. The Physics Practical for Class 12 is divided into two terms, each consisting of 15 marks. In each term, two experiments (8 marks) are asked from each section in the practical exam. The experiment records and activities consist of 2 marks, and the viva on the experiment consists of 5 marks. Here, students will find all the experiments and activities to be performed in term 1 and term 2. Also, we have provided the Physics Lab Manual Class 12, which consists detailed explanation of each experiment. Topics To Be Covered:- Experiments Assigned for Term I 1. To determine resistivity of two / three wires by plotting a graph between potential difference versus current. 2. To find resistance of a given wire / standard resistor using metre bridge. OR To verify the laws of combination (series) of resistances using a metre bridge. OR To verify the Laws of combination (parallel) of resistances using a metre bridge. 3. To compare the EMF of two given primary cells using potentiometer. OR To determine the internal resistance of given primary cell using potentiometer. 4. To determine resistance of a galvanometer by half-deflection method and to find its figure of merit. 5. To convert the given galvanometer (of known resistance and figure of merit) into a voltmeter of desired range and to verify the same. OR To convert the given galvanometer (of known resistance and figure of merit) into an ammeter of desired range and to verify the same. 6. To find the frequency of AC mains with a sonometer. 1. To find the focal Length of a convex lens by plotting graphs between u and v or between 1/u and 1/v. 2. To find the focal Length of a concave lens, using a convex lens. or, To find the focal length of a convex mirror, using a convex Lens 3. To determine angle of minimum deviation for a given prism by plotting a graph between angle of incidence and angle of deviation. 4. To determine refractive index of a glass slab using a travelling microscope. 5. To find refractive index of a liquid by using convex Lens and plane mirror. 6. To draw the I-V characteristic curve for a p-n junction in forward bias and reverse bias. Class 12 Physics Activities CBSE Class 12 Physics Activities Term I 1. To measure the resistance and impedance of an inductor with or without an iron core. 2. To measure resistance, voltage (AC/DC), current (AC) and check continuity of a given circuit using a multimeter. 3. To assemble a household circuit comprising three bulbs,

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