Comprehensive Physics Activities Vol-I For Class-XII (Two Vol. Set.)

The book covers the latest syllabus prescribed by the National Council of Educational Research and Training (NCERT) and provides students with an exhaustive collection of experiments to apply the theoretical background they learn in regular classes.

1. General Introduction

2. Current Electricity—Sources and Accessories

SECTION A

Experiment 1: To determine resistance per cm of a given wire by plotting a graph of potential difference versus current.

Experiment 2: To find the resistance of a given wire using a metre bridge and hence determine the resistivity (specific resistance) of its material.

Experiment 3: To verify the laws of combination (series) of resistances using a metre bridge.

Experiment 4: To verify the laws of combination (parallel) of resistances using a metre bridge.

Experiment 5: To compare the EMFs of two given primary cells using a potentiometer.

Experiment 6: To determine the internal resistance of a given primary cell
using a potentiometer

Experiment 7: To determine the resistance of a galvanometer by half-deflection method and to find its figure of merit.

Experiment 8: To convert the given galvanometer (of known resistance and figure of merit) into a voltmeter of the desired range and verify the same.

Experiment 9: To convert the given galvanometer (of known resistance and figure of merit) into an ammeter of the desired range and to verify the same.

Experiment 10: To find the frequency of the A.C. mains with a sonometer

Activity 1: To measure the resistance and impedance of an inductor with or without an iron core.

Activity 2: To measure resistance, voltage (A.C./D.C.), and current (A.C.) and check the continuity of a given circuit using a multimeter.

Activity 3: To assemble a household circuit, comprising three bulbs, three (on/off) switches, a fuse and a power source.

Activity 4: To assemble the components of a given electrical circuit.

Activity 5: To study the variation in potential drop with the length of a wire for a steady current.

Activity 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

Experiment 1: To find the value of v for different values of u in the case of a concave mirror and to find the focal length.

Experiment 2: To find the focal length of a convex mirror, using a convex lens.

Experiment 3: To find the focal length of a convex lens by plotting graphs between u and v or between 1/u and 1/v.

Experiment 4: To find the focal length of a concave lens using a convex lens.

Experiment 5: To determine the angle of minimum deviation for a given prism by plotting a graph between the angle of incidence and the angle of deviation.

Experiment 6: To determine the refractive index of a glass slab using a travelling microscope.

Experiment 7: To find the refractive index of a liquid by using the convex lens and plane mirror.

Experiment 8: To draw the I-V characteristic curve of a p-n junction in forward-bias and reverse-bias.

Experiment 9: To draw the characteristic curve of a Zener diode and to determine its reverse breakdown voltage.

Experiment 10: To determine the wavelength of a laser beam by diffraction.

Activity 1: To identify a diode, an LED, a resistor and a capacitor from a mixed collection of such items.

Activity 2: To use a multimeter to (a) see the unidirectional flow of current in the case of a diode and an LED and, (b) check whether a given electronic component is in working order.

Activity 3: To study the effect of the intensity of light (by varying distance of the source) on an LDR.

Activity 4: To observe the refraction and lateral deviation of a beam of light incident obliquely on a glass slab.

Activity 5: To observe the polarisation of light using two polaroids.

Activity 6: To observe the diffraction of light due to a thin slit.

Activity 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).

Activity 7(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).

Activity 8: To obtain a lens combination with the specified focal length by using two lenses from the given set of lenses.

Suggested Investigatory Projects
Logarithmic and Other Tables