PHYSICS LAB                                                                                                              [106 / 208]

s t

Class B. Tech. 1

Semester  Evaluation

Schedule per week

Maximum Marks = 100

Practical      :  4

[Sessional  (60) & Practical (40)]

S. No.  List of Experiments

OPTICS

1.    To determine the wav e length of monochromatic light with the help of Fresnels Biprism.

2.    To determine the wav e length of Sodium light by Newtons rings.

3.    To determine the specific rotation of Glucose (Sugar) solution us ing a Polarimeter.

4.    To determine the wav e length of Sodium light by Michelsons Interferometer.

5.    To determine the wavelength of prominent lines of mercury by  plane diffraction grating  with  the

help of a spectrometer.

6.    To  determine  the dispersive  power  of  material  of  prism for  violet  and  yellow colors  of mercury

light with the help of a spectrometer.

7.    To determine the height of water tank with the help of a sextant.

8.    To measure the numerical aperture of an optical fiber.

9.    To determine the coherent length and coherent time of laser using He-Ne Laser.

10.    To determine the profile of He-Ne Laser beam.

ELECTRONICS / ELECTRICAL

11.    To convert a galvanometer into an Ammeter of range 1.5 Amps and calibrate it.

12.    To convert a galvanometer into an Voltmeter of range 1.5 Volts and calibrate it.

13.    To  study the  variation of semiconductor  resistance with  temperature and  hence  determine  the

band gap of semiconductor in the form of reverse biased P-N junction diode.

14.    To determine the specific resistance of the material of a wire by Carey-Fosters bridge.

15.    To determine the ferromagnetic constants, retaintivity, permeability and sus ceptibility by  tracing

I-H c urve using CRO.

16.    To study the variation of thermo emf of Iron-Copper thermo couple with temperature.

17.    To study the charge & discharge of a condenser and hence determine time c onstant.

(Both current and voltage graphs are to be plotted)

18.    To determine the high resis tance by the method of leak age, using a Ballistic Galvanometer.

19.    To  determine  dielectric  constant  of  a  liquid  using  moving  coil  Ballistic  Galvanometer  with

standard parallel plate condenser.

20.    Study G. M. counting s ys tem and hence study absorption c oefficient of Lead using lead sheets