Class 12 Physics Practicals CBSE Lab Manual

CBSE Lab Manual for Class 12 Physics Practicals Free Pdf Download

Class 12 Physics Practicals CBSE Lab Manual Chapters wise Download here in pdf format. These research lab Manual is also freely downloadable and used as a book of facts. Learning doesn’t mean solely gaining information regarding facts and principles rather it’s a path that is faithful by scientific truths, verified by experimentation. Keeping these facts in mind, CBSE research lab manual for Class 12 Physics Practicals are planned, evaluated below subject Improvement Activities. Check our CBSE research lab manual for Class 12. we tend to square measure grateful to the academics for his or her constant support provided within the preparation of this CBSE research lab Manual.

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Class 12 Physics Practicals CBSE Lab Manual Download PDf

  1. General Introduction
  2. Current Electricity—Sources and Accessories
  3. Measurement of Resistance
    1. To determine resistance per cm of a given wire by plotting a graph of 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.
  4. Measurement of Electromotive Force and Potential Difference
    1. To compare the EMF of two given primary cells using potentiometer.
    2. To determine the internal resistance of a given primary cell using potentiometer.
  5. Galvanometer, Ammeter and Voltmeter
    1. To determine resistance of a galvanometer by half-deflection method and to find its figure of merit.
    2. To convert the given galvanometer (of known resistance and figure of merit) into a voltmeter of desired range and to verify the same.
    3. To convert the given galvanometer (of known resistance and figure of merit) into an ammeter of desired range and to verify the same.
  6. Frequency of A.C. (Alternating Current) Mains
    1. To find the frequency of the AC mains with a sonometer.
    2. To measure the resistance and impedance of an inductor with or without iron core.
    3. To measure resistance, voltage (AC/DC), current (AC) and check continuity of a given circuit using multimeter.
    4. To assemble a household circuit comprising three bulbs, three (on/off) switches, a fuse and a power source.
    5. To assemble the components of a given electrical circuit.
    6. To study the variation in potential drop with length of a wire for a steady current.
    7. 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.
  7. Focal Length of Spherical Mirrors
    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.
  8. Focal Length of Spherical Lenses
    1. To find the focal length of a convex lens by plotting graphs between u and v or between 1/u and 1/v.
    2. To find the focal length of a concave lens using a convex lens.
  9. Refractive Index of Prism Material, Glass Slab and Transparent Liquid
    1. To determine angle of minimum deviation for a given prism by plotting a graph between angle of incidence and the angle of deviation.
    2. To determine refractive index of a glass slab using a travelling microscope.
    3. To find the refractive index of a liquid by using convex lens and plane mirror.
  10. Semiconductor Diodes and Transistors
    1. To draw the I-V characteristic curve of a p-n junction in forward bias and reverse bias.
    2. To draw the characteristic curve of a Zener diode and to determine its reverse breakdown voltage.
    3. To study the characteristics of a common emitter npn (or pnp) transistor and to find out the values of current and voltage gains.
  11. Activities
    1. To identify a diode, an LED, a transistor, an IC, a resistor and a capacitor from a mixed collection of such items.
    2. To use a multimeter to (a) identify base of transistor, (b) distinguish between npn and pnp type transistors, (c) see the unidirectional flow of current in case of a diode and an LED, (d) 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 he 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 polarisation of light using two polaroids.
    6. To observe diffraction of light due to a thin slit.
    7. (a) To study the nature and size of the image formed by a convex lens on a screen by using a candle and a screen (for different distances of the candle from the lens). (b) To study the nature and size of the image formed by a concave mirror on a screen by using a candle and a screen (for different distances of the candle from the mirror).
    8. To obtain a lens combination with the specified focal.length by using two lenses from the given set of lenses.
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Study Material

CBSE lab Manual for Class 12 Features:

  • Basic conception of Experiments
  • Before playacting the experiments the fundamental conception section of each experiment helps the scholars in recognize the aim of the experiment and to realize the result with the minimum mistake
  • Lab Experiments with Interactive session and NCERT research lab Manual queries
  • Completely solved CBSE research lab Manual queries square measure provided.
  • Practical primarily based queries

By playacting the experiments, students can recognize the conception in an exceedingly higher method as they’ll currently read the changes happening ahead of their eyes. Their basics can become solid as they’re going to learn by doing things. By doing this activity they’re going to conjointly get generated their interest within the subject. Students can develop questioning skills and begin learning from a scientific perspective. Here we’ve got given all the required details that a Class 9 student ought to realize CBSE research lab Manual. From CBSE Science sensible to research lab manual, project work, vital queries and CBSE research lab kit manual, all the data is given within the elaborate kind additional during this page for Class 9 students.

Preparation Tips

For clearing Board Exams for the students. they’re going to need to possess a well-structured commit to study. The communicating are conducted within the month of could per annum. Students got to be sturdy academically in conjunction with numerous different skills like time management, exam-taking strategy, situational intelligence and analytical skills. Students got to harden.

this examination well-in advanced.

  • Time-management
  • Focus on vital topics
  • Plan your day ahead
  • The apply is that the key to success
  • Take tests when each thought
  • Regular revision

Top ways in which to be positive before the Examination

Self-motivation
  • JEE solved Papers create the scholars to build-up a defend to the brain that makes them work quicker than regular. Students mire within the middle whereas determination these papers, during this scenario, the solved papers can create them perceive the thought and solve the matter. during this manner, they don’t feel demotivated.
  • Certain times, students surrender as a result of they’re ineffective to grasp one explicit thought. At that time, they need to prompt themselves that every one of them UN agency square measure making ready for JEE square measure rummaging an equivalent scenario. don’t quit at this time, they need to grasp wherever the matter is so specialise in rectifying it so moving forward.
Learn from your mistakes
  • Humans tend to form mistakes and from every mistake, there’ll be loads to find out. Stop regretting for what went on and check out to simply accept it and keep moving ahead. Ignoring mistakes doesn’t facilitate in any mean, confine mind that, don’t make up an equivalent mistake once more. Pick up, dirt up and continue with the flow.

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  • Never place yourself down, particularly after you square measure making ready for the competitive exams like IIT JEE. There comes a flash that you just get irritated by observing the large program and topics that square measure tough. this is often the instant wherever you must begin thinking larger image of yourself in your mind. If you get chosen in one amongst your dream institutes like IIT or NIT, think about yourself during a position when a handful of years wherever you get into an honest MNC with a hefty package and create your folks happy with what you’re.

Self-analysis

  • By determination these papers, you’ll be able to analyze your own preparation for the communicating. you create mistakes and you tend to find out from it however, ensure you’re not continuance an equivalent mistake once more

FAQ ( Frequently Asked Questions )

1. What are the advantages of solving previous year CBSE physics papers?

Ans – Practising previous year question papers will increase the concentration and it will also make you understand how to prioritize in which question to attempt first and which are the questions that need to be attempted in the end. This builds stamina for the students on how to sit in the exam hall for three hours and focus completely on the exam paper. 

CBSE previous year physics question papers will give a clear idea about exam pattern and the nature of the questions. Students also can be aware of the critical level of the questions asked in the exam. Make sure to solve the papers in a fixed mentioned time, like in a time-bound manner. This shall improve their level of answering the questions and think quickly in the given set of time.

2. How to attempt a physics paper on the mainboard exam?

Ans –  Firstly, note down all the formulas and practise them frequently to remember them by heart. Derivations play a major role in Physics. Learning the derivations of the Formulas will help you solve the questions on board with ease. Questions in the exam will be asked in a deviant way. To understand them you need to be very much perfect with the derivations of the formulas. 

Always focus mainly on the topics with a high weightage of marks. Your main concentration should be on topics like a Sound wave, Wave Optics, Modern Physics, Alternating current. Thermodynamics is a subject which is common in both the subjects of Physics and Chemistry. This is also one of the most important topics in Physics. Thorough practice with all the concepts is a must.

3. Why NCERT Books are Important ?

Ans – NCERT Books Strictly follows the CBSE curriculum and it Clears all the fundamental concepts of students by offering a number of problems to practice and it is BEST to score Good Marks in CBSE Board Exam.