CBSE Class 12 Physics Practical File Notes with Readings

CBSE Class 12 Physics Practical , Class 12 Physics Practical notes with readings

The CBSE Class 12 Physics is an essential guide for students, providing detailed practical notes and readings. It covers a range of experiments, helping students grasp complex concepts through hands-on learning. This manual bridges theoretical knowledge and practical application, enhancing understanding and scientific skills. Below are the physics practical notes and readings for all CBSE Class 12 Physics Experiments and this will be very helpful in your practical examination.

Section-A Experiments

Section- A
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 by using a meter bridge.
or
To verify the laws of combination (parallel) of resistances using a metre bridge.
4.To determine resistance of a galvanometer by half-deflection method and to find its
figure of merit.
5. To convert the given galvanometer (of known resistance and figure of merit) into a
voltmeter of desired range and to verify the same. (coming soon)
OR
To convert the given galvanometer (of known resistance and figure of merit) into an
ammeter of desired range and to verify the same. (coming soon)
6. To find the frequency of AC mains with a sonometer. (coming soon)

Section-B Experiments

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.

Or
i) Find the focal length of convex lens by plotting a graph between u and v. 
ii) To find the focal length of a convex lens by plotting graphs between1/u and
1/v. (coming soon)
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 the 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.

Section-A Activities


1.To assemble a household circuit comprising three bulbs, three (on/off) switches, a fuse and a power source.

2.To assemble the components of a given electrical circuit.

To assemble the components of a given electrical circuit

3.To study the variation in potential drop with length of a wire for a steady current.


Section-B Activities


4.To identify a diode, an LED, a resistor and a capacitor from a mixed collection of such items.

5.To observe diffraction of light due to a thin slit.

6. To obtain a lens combination with the specified focal length by using two lenses from the given set of lenses.

 

 

Investigatory Projects

Suggested Investigatory Projects

CBSE Class 12 Physics Investigatory Projects File Notes
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. (coming soon)
1. To study various factors on which the internal resistance/EMF of a cell depends. (coming soon)
3. To find the refractive indices of (a) water and (b) oil (transparent) using a plane mirror,
an equiconvex lens (made from a glass of known refractive index) and an
adjustable object needle. (coming soon)
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.(coming soon)
6. To estimate the charge induced on each one of the two identical Styrofoam (or pith)
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. (coming soon)