Assam Board Class 12 Physics Syllabus

In class 12 science stream, physics is one of the most important subject for students. Usually, the subject consists of a vast syllabus with many topics to learn and master. While the subject demands great focus and undivided attention, the Assam board class 12 physics syllabus has been made in such a way to reduce the curriculum overload and make studying physics a lot easier for students. The syllabus which is mainly developed by the Assam Higher Secondary Education Council is structured to emphasize more on the conceptual understanding of the subject. The syllabus is further designed to help students develop better practical skills, problem-solving ability, and logical reasoning.

Students should make it a point to go through the entire syllabus because by understanding the physics syllabus it will help them get;

  • A clear idea of the important topics.
  • Know the objectives.
  • Divide their study time properly.
  • Develop a useful preparation strategy.

Students can view the syllabus PDF from the given link.

Marking weightage of Each Section

Unit No Title Marks Periods
1 Electrostatics 8 25
2 Current Electricity 7 22
3 Magnetic Effects of Current and Magnetism 8 25
4 Electromagnetic Induction and Alternating Currents 8 20
5 Electromagnetic Waves 03 04
6 Optics 14 30
7 Dual Nature of Matter and Radiation 04 08
8 Atoms and Nuclei 06 18
9 Electronic Devices 07 18
10 Communication System 05 10

List of Science Practicals

Experiments

  1.  To observe the variation of potential difference (V) across a given resistor by changing the current (I) through it.  Draw I-V graph and find the value of the given resistance from the graph.
  2.   To find the value of a given resistance by using a metre bridge.
  3.  Construct a potential divider with the help of a rheostat and a battery (or cell) and use it to verify, Ohm’s Law.
  4. To determine the internal resistance of given primary cell using potentiometer.
  5. To locate the poles of a long bar magnet and to find the ratio of magnetic to geometric length.
  6. Place a bar magnet in the magnetic meridian and draw the field lines with its 
    (i)North-pole pointing towards the geographical north pointing.
    (ii)South pole pointing towards the geographical north on one side of the magnet and to locate the position of the neutral point.

Activities

    1.  To observe a placed near a conductor carrying current.
    2.  To measure resistance, dC voltage, DC current and check continuity of a given electrict circuit using multimeter.
    3. To assemble a household circuit comprising three bulbs, three on/off switches a fuse and a power source. or, Assemble an extension board with an indicator, a fuse, three plug points and three on/off switches.
    4. To assemble the components of a given electrical circuit.
    5. To study the variation in potential drop with length of a wire for a steady current.
    6. Assemble an electric circuit comprising of atleast a battery, rheostat, key, ammeter and voltmeter. Mark the components that are not connected in proper order and correct the circuit and also draw the correct circuit diagram.

Section-B

Experiments

    1. To find the focal length of a convex lens by plotting graphs between u and  [Taken three readings making u > and three readings making u < .]
    2. To find the focal length of a concave lens using a convex lens.
    3. To find the angle of minimum deviation for a given equilateral prism by plotting a graph between the angles of incidence (i) and corresponding angles of deviation (). Determine the refractive index of the material of the prism. [Take angles of incidence as 350, 400, 450, 500, 550, 600]
    4. Measure the angles of incidence (i)   angles of refraction (r) for a glass slab by pin method. Draw sin i – sin r graph and find the refractive index of the material of the glass slab from the graph.
    5. To find refractive index of a given liquid with the help of a travelling microscope.
    6. Draw the I-V characteristics graph of a p – n junction in forward bias. Find the dc forward resistance of the diode from the graph.
    7. Draw the output characteristic graphs of an n – p – n transistor in common emitter configuration.   Find the value of from the graphs.

Activities

  1. To identify resistance from resistance colour codes and to verify the values using a multimeter.
  2. To identify a diode, an LED, a transistor, a resistor, a capacitor and an IC from a mixed collection of such items using a multimeter.
  3. To observe refraction and lateral deviation of a beam of light incident obliquely on a glass slab.
  4. To observe polarization of light using two polaroids.
  5. Identify a concave and a convex mirror by observing the images formed by the mirrors.
  6. To study the nature and size of the image formed by (i) convex lens (ii) concave mirror, using an optical bench.

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