Laboratory

What I hear, I forget. What I see, I remember. What I do, I understand."

The Department of Physics of THLH Mahavidyalay has a well equipped Physics Laboratory. The following experiments can be performed in this laboratory:

I. MECHANICS

Measurements of length (or diameter) using vernier caliper, screw gauge and travelling microscope.
To determine the Moment of Inertia of a Flywheel/ regular shaped objects.
To determine Young's Modulus by flexure method.
To determine the Modulus of Rigidity of a wire by Maxwell’s needle / dynamical method.
To determine g by Bar/Kater’s Pendulum.
To study the Motion of a Spring and calculate (a) Spring Constant (b)Value of g.

II. ECTRICITY AND MAGNETISM

To use a Multimeter for measuring (a)Resistances, (b)AC and DC Voltages, (c) DC Current, and (d) checking electrical fuses.
To compare capacitances using De’Sauty’s bridge.
To study the Characteristics of a Series RC Circuit.
To study the a series LCR circuit and determine its (a) Resonant Frequency, (b) Quality Factor
To study a parallel LCR circuit and determine its (a) Anti-resonant frequency and (b) Quality factor Q
To verify the Thevenin and Norton theorem
To verify the Superposition, and Maximum Power Transfer Theorem
To determine the horizontal component of earth’s magnetic field.

III. THERMAL PHYSICS AND STATISTICAL MECHANICS

Measurement of Planck’s constant using black body radiation.
To determine Stefan’s Constant.
To determine the coefficient of thermal conductivity of a bad conductor by Lee and Charlton’s disc method.
To determine the temperature co-efficient of resistance by Platinum resistance thermometer.
To study the variation of thermo emf across two junctions of a thermocouple with temperature.
To determine the coefficient of linear expansion by optical lever method.

IV. WAVES AND OPTICS

To determine the angle of prism by (i) Rotating telescope or (ii) Rotating prism method.
To determine the Refractive Index of the Material of a given Prism using Sodium Light.
To determine Dispersive Power of the Material of a given Prism using Mercury Light
To determine the value of Cauchy Constants of a material of a prism.
To determine the Resolving Power of a Prism.
To determine wavelength of sodium light using Newton’s Rings.
To determine wavelength of Sodium light using plane diffraction Grating.
To determine the Resolving Power of a Plane Diffraction Grating.
To determine the refractive index of a liquid by travelling microscope.
To determine the focal length of a concave lens by combination method.

V. ELEMENTS OF MODERN PHYSICS

To determine value of Boltzmann constant using V-I characteristic of P-N diode.
Photo-electric effect: photo current versus intensity and wavelength of light; maximum energy of photo-electrons versus frequency of light.

VI. DIGITAL AND ANALOG CIRCUITS AND INSTRUMENTATION