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Have Doubts Regarding This Product ? Ask Your Question

  • Q1
    Is this lab manual strictly based on the latest CBSE syllabus for Class 12 Physics?
    A1

    Yes, it follows the latest CBSE curriculum and covers all prescribed experiments and activities.

  • Q2
    Are circuit diagrams provided for electricity-related experiments?
    A2

    Yes, clear and labeled circuit diagrams are included for better understanding.

  • Q3
    Does it cover investigatory projects as per CBSE requirements?
    A3

    Yes, it includes 8 investigatory projects with detailed methodologies.

  • Q4
    Can this manual be used for self-study?
    A4

    Absolutely, it provides step-by-step guidance, making it suitable for self-practice.

  • Q5
    Does it explain how to convert a galvanometer into an ammeter/voltmeter?
    A5

    Yes, Experiment 6 & 7 provide detailed steps for these conversions.

  • Q6
    Are there real-world applications discussed in the manual?
    A6

    Yes, it connects experiments with practical applications for better understanding.

  • Q7
    Does it help in preparing for competitive exams like JEE/NEET?
    A7

    While primarily designed for CBSE, the concepts strengthen JEE/NEET Physics fundamentals.

  • Q8
    Are there precautions mentioned for each experiment?
    A8

    Yes, safety measures and precautions are listed to avoid errors.

  • Q9
    Is the sonometer experiment for AC frequency included?
    A9

    Yes, Experiment 8 explains how to find AC mains frequency using a sonometer.

  • Q10
    Can teachers use this manual as a reference for lab sessions?
    A10

    Yes, it serves as an excellent teaching aid for Physics lab instructors.

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SECTION - A

- Experiments
1. To determine resistivity of two/three wires by plotting a graph for potential difference versus current.
2. To find resistance of a given wire/standard resistor using metre bridge.
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 determine resistance of a galvanometer by half - deflection method and to find its figure of merit.
6. To convert the given galvanometer ( of known resistance and figure of merit) into a Voltmeter of desired range (0-3 V) and to verify the same.
7. To convert the given galvanometer (of know resistance and figure of merit) into an ammeter of desired range (0-3 V) and to verity the same.
8. To find the frequency of a.c. mains with a sonometer.

- Activities
1. To measure the resistance and impedance of an inductor with or without iron core.
2. To measure resistance, Voltage (a.c./d.c.), current (a.c.) and check continuity of a given circuit using multimeter.
3. To assemble a household circuit comprising 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 wife 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

- Experiments
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 the refractive index of a liquid using convex lens and plane mirror.
8. To find the refractive index of a liquid using a concave mirror and a plane mirror.
9. To draw the I-V characteristic curve for a p-n junction diode in forward and reverse bias.

- Activities
1. To identify a diode, an LED, a resistor and a capacitor from a mixed collection of such items.
2. 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.
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 diffraction of light due to a thin slit between sharp edges of razor blades.
6. (a) To study the nature and size of the image formed by a convex lens using a candle and a screen (for different distances of the candle from the lens.)
6. (b) To study the nature and size of the image of a candle formed by a concave mirror on a screen by using a candle and a screen.
7. To obtain a lens combination with the specified focal length by using two lenses from the given set of lenses.

- Investigatory Projects
1. To study the various factors on which the internal resistance/e.m.f. of a cell depends.
2. To study the variations in current flowing in a circuit containing an LDR because of a variation in (a) the power of the incandescent lamp, used to ‘illuminate’ the LDR (keeping all the lamps at a fixed distance). (b) the distance of a incandescent lamp (of fixed power) used to ‘illuminate’ the LDR.
3. To find the refractive indices of (a) water (b) oil (transparent) using a plane mirror, an equiconvex lens (made from a glass of known refractive index) and an adjustable object needle.
4. To investigate the relation between the ratio of : (i) output and input voltage and (ii) number of turns in the secondary coil and primary coil of a self-designed transformer.
5. To investigate the dependence of the angle of deviation 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 one of the two identical Styrofoam (or pitch) balls 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 put in series with a resistor / (bulb) in a circuit fed up by an a.c. source of adjustable frequency.
8. To study the earth’s magnetic field using a compass needle -bar magnet by plotting magnetic field lines and tangent galvanometer.

Evergreen CBSE Physics Lab Manual Class 12th by K. Stalin Malhotra, Jatinder Singh, and A.P. Sharma is a comprehensive and meticulously designed lab manual published by Evergreen Publications. This manual is an essential resource for Class 12 students preparing for their CBSE physics practical examinations. It strictly follows the latest CBSE syllabus and provides a structured approach to conducting experiments, activities, and investigatory projects with precision.

Key Features of the Evergreen CBSE Physics Lab Manual Class 12th

1. Aligned with CBSE Curriculum—The manual covers all experiments and activities prescribed by CBSE, ensuring students are well-prepared for their physics practical exams.
2. Step-by-Step Guidance—Each experiment includes detailed procedures, observations, and calculations, helping students understand the underlying concepts clearly.
3. Illustrated Diagrams & Circuit Layouts—Well-labeled diagrams and circuit setups aid in better visualization and execution of experiments.
4. Viva Voce Questions—Includes important theory-based questions to help students prepare for their lab viva.
5. Practical Applications—Connects theoretical concepts with real-world applications, enhancing conceptual clarity.
6. Error Analysis & Precautions—Highlights common errors and precautions to ensure accurate results.
7. Investigatory Projects—Provides well-defined project ideas with methodologies to encourage analytical thinking and research skills.
8. Hands-on Activities—Includes additional activities to reinforce learning beyond the standard experiments.

Why Choose This Lab Manual?

1. CBSE-Compliant—Ensures full coverage of the practical syllabus.
2. Concept Reinforcement—Bridges the gap between theory and practical learning.
3. Exam-Oriented—Helps students score well in physics practical exams and viva voce.
4. Clear & Concise—Written in simple language with systematic instructions.

This Evergreen CBSE Physics Lab Manual Class 12th is an indispensable tool for students aiming to excel in their CBSE Physics practical exams. It is also useful for teachers as a reference guide for conducting lab sessions effectively.

SECTION - A

- Experiments
1. To determine resistivity of two/three wires by plotting a graph for potential difference versus current.
2. To find resistance of a given wire/standard resistor using metre bridge.
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 determine resistance of a galvanometer by half - deflection method and to find its figure of merit.
6. To convert the given galvanometer ( of known resistance and figure of merit) into a Voltmeter of desired range (0-3 V) and to verify the same.
7. To convert the given galvanometer (of know resistance and figure of merit) into an ammeter of desired range (0-3 V) and to verity the same.
8. To find the frequency of a.c. mains with a sonometer.

- Activities
1. To measure the resistance and impedance of an inductor with or without iron core.
2. To measure resistance, Voltage (a.c./d.c.), current (a.c.) and check continuity of a given circuit using multimeter.
3. To assemble a household circuit comprising 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 wife 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

- Experiments
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 the refractive index of a liquid using convex lens and plane mirror.
8. To find the refractive index of a liquid using a concave mirror and a plane mirror.
9. To draw the I-V characteristic curve for a p-n junction diode in forward and reverse bias.

- Activities
1. To identify a diode, an LED, a resistor and a capacitor from a mixed collection of such items.
2. 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.
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 diffraction of light due to a thin slit between sharp edges of razor blades.
6. (a) To study the nature and size of the image formed by a convex lens using a candle and a screen (for different distances of the candle from the lens.)
6. (b) To study the nature and size of the image of a candle formed by a concave mirror on a screen by using a candle and a screen.
7. To obtain a lens combination with the specified focal length by using two lenses from the given set of lenses.

- Investigatory Projects
1. To study the various factors on which the internal resistance/e.m.f. of a cell depends.
2. To study the variations in current flowing in a circuit containing an LDR because of a variation in (a) the power of the incandescent lamp, used to ‘illuminate’ the LDR (keeping all the lamps at a fixed distance). (b) the distance of a incandescent lamp (of fixed power) used to ‘illuminate’ the LDR.
3. To find the refractive indices of (a) water (b) oil (transparent) using a plane mirror, an equiconvex lens (made from a glass of known refractive index) and an adjustable object needle.
4. To investigate the relation between the ratio of : (i) output and input voltage and (ii) number of turns in the secondary coil and primary coil of a self-designed transformer.
5. To investigate the dependence of the angle of deviation 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 one of the two identical Styrofoam (or pitch) balls 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 put in series with a resistor / (bulb) in a circuit fed up by an a.c. source of adjustable frequency.
8. To study the earth’s magnetic field using a compass needle -bar magnet by plotting magnetic field lines and tangent galvanometer.

Have Doubts Regarding This Product ? Ask Your Question

  • Q1
    Is this lab manual strictly based on the latest CBSE syllabus for Class 12 Physics?
    A1

    Yes, it follows the latest CBSE curriculum and covers all prescribed experiments and activities.

  • Q2
    Are circuit diagrams provided for electricity-related experiments?
    A2

    Yes, clear and labeled circuit diagrams are included for better understanding.

  • Q3
    Does it cover investigatory projects as per CBSE requirements?
    A3

    Yes, it includes 8 investigatory projects with detailed methodologies.

  • Q4
    Can this manual be used for self-study?
    A4

    Absolutely, it provides step-by-step guidance, making it suitable for self-practice.

  • Q5
    Does it explain how to convert a galvanometer into an ammeter/voltmeter?
    A5

    Yes, Experiment 6 & 7 provide detailed steps for these conversions.

  • Q6
    Are there real-world applications discussed in the manual?
    A6

    Yes, it connects experiments with practical applications for better understanding.

  • Q7
    Does it help in preparing for competitive exams like JEE/NEET?
    A7

    While primarily designed for CBSE, the concepts strengthen JEE/NEET Physics fundamentals.

  • Q8
    Are there precautions mentioned for each experiment?
    A8

    Yes, safety measures and precautions are listed to avoid errors.

  • Q9
    Is the sonometer experiment for AC frequency included?
    A9

    Yes, Experiment 8 explains how to find AC mains frequency using a sonometer.

  • Q10
    Can teachers use this manual as a reference for lab sessions?
    A10

    Yes, it serves as an excellent teaching aid for Physics lab instructors.

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