CBSE Class 12th Syllabus of Physics 2018-19

Latest CBSE Class 12 Syllabus of Physics 2018-19

CBSE has released the CBSE Class 12 Syllabus of Physics (Code No. 042) for the session 2018-19. The new session has started and board updated the new syllabus. There is no change made in the syllabus and exam pattern.

The question paper will be of 70 marks. Practicals will be conducted of 30 marks.

The Question paper will consist of 27 questions. All questions would be compulsory. However, there is an internal choice in one question of 2 marks weightage, one question of 3 marks weightage and all the three questions of 5 marks weightage.

Unit

Marks
I
Electrostatics 15
II
Current Electricity
III
Magnetic Effects of Current and Magnetism 16
IV
Electromagnetic Induction and Alternating Currents
V
Electromagnetic Waves 17
VI
Optics
VII
Dual Nature of Radiation and Matter 10
VIII
Atoms and Nuclei
IX
Electronic Devices 12
X
Communication Systems

Total
70

Unit I - Physical World and Measurement

• Chapter–1: Electric Charges and Fields
• Chapter–2: Electrostatic Potential and Capacitance

Unit II - Kinematics

• Chapter–3: Current Electricity

Unit III - Laws of Motion

• Chapter–4: Moving Charges and Magnetism
• Chapter–5: Magnetism and Matter

Unit IV - Work, Energy and Power

• Chapter–6: Electromagnetic Induction
• Chapter–7: Alternating Current

Unit V - Motion of System of Particles and Rigid Body

• Chapter–8: Electromagnetic Waves
Unit VI - Gravitation

• Chapter–8: Gravitation

Unit VII - Properties of Bulk Matter

• Chapter–9: Ray Optics and Optical Instruments
• Chapter–10: Wave Optics

Unit VIII - Thermodynamics

• Chapter–12: Atoms
• Chapter–13: Nuclei

Unit IX - Behaviour of Perfect Gases and Kinetic Theory of Gases

• Chapter–14: Semiconductor Electronics: Materials, Devices and Simple Circuits

Unit X - Oscillations and Waves

• Chapter–15: Communication Systems

Question Wise Break up

Type of Question
Mark per Question
Total No. of Questions
Total Marks
VSA
1
5
05
SA-I
2
5
10
SA-II
3
12
36
VBQ
4
1
04
LA
5
3
15
Total

26
70

Practicals: 30 Marks

Two experiments one from each section8+8 Marks
Practical record (experiment and activities)6 Marks
Investigatory Project3 Marks
Viva on experiments, activities and project5 Marks
Total
30 Marks

List of Experiments

• The record to be submitted by the students at the time of their annual examination has to include:
→ Record of at least 15 Experiments [with a minimum of 6 from each section], to be performed by the students.
→ Record of at least 5 Activities [with a minimum of 2 each from section A and section B], to be demonstrated by the teachers.
→ The Report of the project to be carried out by the students.

Section–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.
10. To find the frequency of AC mains with a sonometer.
Activities
(For the purpose of demonstration only)
1. To measure the resistance and impedance of an inductor with or without iron core.
2. To measure resistance, voltage (AC/DC), current (AC) and check continuity of a given circuit using multimeter.
3. To assemble a household circuit comprising three bulbs, three (on/off) switches, a fuse and a power source.
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. 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.

Section–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 break down voltage.
10. To study the characteristic of a common - emitter npn or pnp transistor and to find out the values of current and
voltage gains.
Activities
(For the purpose of demonstration only)
1. To identify a diode, an LED, a transistor, an IC, a resistor and a capacitor from a mixed collection of such items.
2. Use of multimeter to (i) identify base of transistor, (ii) distinguish between npn and pnp type transistors, (iii) see the unidirectional flow of current in case of a diode and an LED, (iv) check whether a given electronic component (e.g., diode, transistor or IC) is in working order.
3. To study effect of intensity of light (by varying distance of the source) on an LDR.
4. To observe refraction and lateral deviation of a beam of light incident obliquely on a glass slab.
5. To observe polarization of light using two Polaroids.
6. To observe diffraction of light due to a thin slit.
7. 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).
8. To obtain a lens combination with the specified focal length by using two lenses from the given set of lenses.

Prescribed Books:

• Physics Part-I, Textbook for Class XII, Published by NCERT 
• Physics Part-II, Textbook for Class XII, Published by NCERT 
• Laboratory Manual of Physics, Class XII Published by NCERT




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