CLASS - 12(PHYSICS)

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CBSE SYLLABUS (2022-23)

Given below is the CBSE Class 12 Physics syllabus along with the marking scheme and number of periods required for completing each unit.

CBSE Syllabus for Class 12 Physics consist of nine units as mentioned in the table below.

Time: 3 Hours
Max Marks: 70

Unit No.	Name of Unit	No. of Periods	Marks
Unit–I	Electrostatics	26	16
	Chapter–1: Electric Charges and Fields
	Chapter–2: Electrostatic Potential and Capacitance
Unit-II	Current Electricity	18
	Chapter–3: Current Electricity	18
Unit-III	Magnetic Effects of Current and Magnetism	25	17
	Chapter–4: Moving Charges and Magnetism
	Chapter–5: Magnetism and Matter
Unit-IV	Electromagnetic Induction and Alternating Currents	24
	Chapter–6: Electromagnetic Induction
	Chapter–7: Alternating Current
Unit–V	Electromagnetic Waves	04	18
	Chapter–8: Electromagnetic Waves	04
Unit–VI	Optics	30
	Chapter–9: Ray Optics and Optical Instruments
	Chapter–10: Wave Optics
Unit–VII	Dual Nature of Radiation and Matter	08	12
	Chapter–11: Dual Nature of Radiation and Matter	08
Unit–VIII	Atoms and Nuclei	15
	Chapter–12: Atoms
	Chapter–13: Nuclei
Unit–IX	Electronic Devices	10	07
	Chapter–14: Semiconductor Electronics: Materials, Devices and Simple Circuits	10	07
	Total	160	70

CBSE Syllabus for Class 12 Physics Practical

To determine resistivity of two / three wires by plotting a graph between potential difference versus current.
To find the resistance of a given wire / standard resistor using metre bridge.
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
To determine the resistance of a galvanometer by half-deflection method and to find its figure of merit.
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.
To find the frequency of AC mains with a sonometer.

To measure the resistance and impedance of an inductor with or without iron core.
To measure resistance, voltage (AC/DC), current (AC) and check continuity of a given circuit using multimeter.
To assemble a household circuit comprising three bulbs, three (on/off) switches, a fuse and a power source.
To assemble the components of a given electrical circuit.
To study the variation in potential drop with length of a wire for a steady current.
To draw the diagram of a given open circuit comprising at least a battery, resistor/rheostat, key, ammeter and voltmeter. Mark the components that are not connected in proper order and correct the circuit and also the circuit diagram.

To find the value of v for different values of u in case of a concave mirror and to find the focal length.
To find the focal length of a convex mirror, using a convex lens.
To find the focal length of a convex lens by plotting graphs between u and v or between 1/u and 1/v.
To find the focal length of a convex mirror, using a convex lens.
To determine the angle of minimum deviation for a given prism by plotting a graph between angle of incidence and angle of deviation.
To determine the refractive index of a glass slab using a travelling microscope.
To find the refractive index of a liquid by using a convex lens and plane mirror.
To find the refractive index of a liquid using a concave mirror and a plane mirror.
To draw the I-V characteristic curve for a p-n junction in forward bias and reverse bias.

To identify a diode, an LED, a resistor and a capacitor from a mixed collection of such items.
Use of multimeter to see the unidirectional flow of current in case of a diode and an LED and check whether a given electronic component (e.g., diode) is in working order.
To study effect of intensity of light (by varying distance of the source) on an LDR.
To observe refraction and lateral deviation of a beam of light incident obliquely on a glass slab.
To observe diffraction of light due to a thin slit.
To study the nature and size of the image formed by a (i) convex lens, (ii) concave mirror, on a screen by using a candle and a screen (for different distances of the candle from the lens/mirror).
To obtain a lens combination with the specified focal length by using two lenses from the given set of lenses.