# Check the list of trials and evaluation system

Check CBSE Class 12 Physics Practical Syllabus for Session 2022-2023. Download the list of experiences and projects here with the assessment outline for the current academic session.

Practical Operations and Project Work for CBSE Class 12 form an important part of the CBSE Class 12 Physics syllabus. Both practical and investigative projects carry 30 marks on the annual board exam score. The theory paper will be conducted for 70 marks. Therefore, students should pay proper attention to practical and project work focusing on the theoretical part of CBSE Class 12 Physics. We have provided below CBSE Class 12 in Practical Physics and Project Syllabus 2022-2023 in PDF. Review the full syllabus, check the practical assessment outline and learn about experiences and project work to be done in the current academic session.

Check out the practical CBSE Class 12 syllabus 2022-2023 below:

Rating Scheme:

 Time – 3 hours max. Marx – 30 Two experiments, one from each section 7 + 7 Marx my work record [experiments and activities] 5 marks One activity from any section 3 marks investigative project 3 marks FIFA on the experiences, activities and project 5 marks the total 30 Marx

experiments

Section A

1. To determine the resistance of two wires / three wires by plotting a graph of the difference of voltage versus current.

2. To find the resistance of a given wire/standard resistor using a bridge meter.

3. To check the resistance group (series) laws using a bridge meter.

or

To check the laws of the summation (parallel) of resistors using a meter bridge.

4. To determine the resistance of the galvanometer by the half-skew method and find the character of its galvanometer.

5. To convert the specified galvanometer (of known resistance and form of merit) to a voltmeter of the required range and check it.

or

To convert the specified galvanometer (of known resistance and form of merit) to an ammeter of the required range and check it.

6. To find the frequency of alternating current with an audio meter.

Activities

1. To measure the impedance and resistance of an inductor with or without an iron core.

2. To measure resistance, voltage (AC / DC) and current (AC) and check the continuity of a given circuit using a multimeter.

3. To assemble a household circuit of three bulbs, three switches (on / off), a fuse and a power supply.

4. To assemble components of a particular electrical circuit.

5. To study the variation in voltage drop with wire length for a constant current.

6. To plot a given open circuit diagram comprising at least a battery, a resistor/rheostat, a switch, an ammeter and a voltmeter. Select the unconnected components in the correct order and correct the circuit as well as the circuit diagram.

oath b

experiments

1. To find the value of v for different values ​​of u in the 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 drawing 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 the minimum deflection angle for a given prism by drawing a graph between the angle of incidence and the angle of deflection.

6. To determine the refractive index of a plate glass using a moving microscope.

7. To find the refractive index of a liquid using a convex lens and a plane mirror.

8. To find the refractive index of a liquid using a concave mirror and a plane mirror.

9. To plot the characteristic IV curve of a pn-junction diode in forward and reverse bias.

Activities

1. To select a diode, an LED, a resistor, and a capacitor from a mixed group of these elements.

2. Use a multimeter to find out the unidirectional flow of current in the case of a diode and a valve and check whether an electronic component (such as a diode) is working or not.

3. To study the effect of light intensity (by changing the distance of the source) on the LDR.

4. Observe the refraction and lateral deflection of a beam of light falling indirectly on a glass plate.

5. To observe the deflection of light due to the thin slit.

6. Study the nature and size of the image formed by a

(i) Convex lens, or

(ii) Concave mirror, on a screen using a candle and a screen (different distances of the candle from the lens/mirror).

7. To obtain a lens group with the specified focal length using two lenses from the specified lens group.

Suggest investigation projects:

1. To study the various factors on which the internal resistance / electromagnetic fields of a cell depends.

2. Study of changes in current flowing in a circuit containing an LDR due to a difference in

(a) The power of the incandescent lamp, used to illuminate the LDR (keep all lamps at a constant distance).

(b) The distance of the incandescent lamp (of constant power) used to illuminate the LDR.

3. To find the refractive indices of (a) water (b) oil (transparent) using a plane mirror, a convex lens (made of glass with a known refractive index) and an adjustable body needle.

4. Investigation of the relationship between the ratio

(i) Output and input voltage and

(2) The number of turns in the secondary winding and primary winding of a self-designed transformer.

5. To check the dependence of the angle of deflection on the angle of incidence using a hollow prism filled one by one with different transparent fluids.

6. To estimate the charge induced on each of two identical styrofoam spheres (or core) suspended in a vertical plane by making use of Coulomb’s law.

7. To study the factor on which the self-inductance of a coil depends by observing the effect of this coil, when placed in series with a resistor / (bulb) in a circuit fed by an alternating current source with an adjustable frequency.

8. Study of the Earth’s magnetic field using compass bar magnets by drawing magnetic field lines and galvanometer tangent.

Described book: