Undergraduate (UG) Lab:
(1) e/m Apparatus (Circular Orbit)
. Used to determine the specific charge-to-mass ratio of electron
. Features: Operating Voltage: ~220V AC/ 50Hz, Tube diameter: 13cm, Accelerating Voltage 0 - 350V
(2) Planck’s Constant measuring instrument with Halogen Tungsten Lamp
. Used to find the value of Planck’s constant and to justify the particle nature of light
. Features: Wave length of color filter: 05, Sensitive component: Vacuum Phototube, Dark current: less than 0.003 mA
(3) Newton’s Rings apparatus with Power Supply Unit and Sodium lamp
. Used to calculate the wavelength of monochromatic light and radius of curvature of a plano-convex lens as an application of thin film interference
. Features: Lens system, Sodium light, Power supply unit(4) Sodium Discharge Tube with Power Supply Unit
. Used in calculating refractive index of a material of prism, wavelength of sodium light using diffraction grating
. Features: Sodium light, Power supply unit(5) Polarimeter Set with Power Supply Unit and Sodium Lamp
. Used to determine the specific rotation of sugar solution
. Features: Variable half shade for adjustable visual sensitivity, Range: Full circle, from -180 to +180 deg. Arc, Resolution: 0.05 deg vernier scale(6) Melde’s Apparatus
. Used to determine the frequency of a tuning fork and to investigate the stationary wave
. Include Transformator (56273): Transforms from ~220V AC/ 50Hz to 6V (5A) and 12V (2.5A)