physics_lab_btech

B.Tech. Physics Laboratory

physics_lab_btech

Department of Physics has well equipped Physics laboratory for B.Tech students. The Physics experiments are performed by the students of all Engineering branches. The experiments are based mainly upon Optics, Electrostatics and Electricity&Magnetism, Modern Physics and Solid State Physics which are the parts of theory syllabus. Students will be required to perform at least 10 experiments out of the list in each semester.

Physics Laboratory

PHP 1011: 0 – 0 – 2 = 1

1. (a) To find the angle of prism by rotating the telescope method. (b) To find the refractive index of the material of the given prism using a spectrometer.
2. To determine the refractive index of given liquid (water) using a hollow prism and spectrometer.
3. To study the Newton’s interference rings and determine the wavelength of sodium light.
4. To determine the wavelength of sodium light using a plane diffraction grating.
5. To study the dependence of Refractive Index (µ) of the material of the prism on the Wavelength (λ) of light; and hence (a) to determine the Dispersive Power of the material of prism (b) to verify the Cauchy Relationship µ=a+b/λ2,and to estimate the values of ‘a’ and ‘b’. (c) to plot a graph of dµ/dλ versus λ.
6. To determine the frequency of A.C. mains with a Sonometer using non-magnetic wire.
7. To draw the characteristics curves of a Semiconductor Diodes (Si or Ge)
8. To study the V-I characteristics of a Zener Diode.
9. To study the performance of a Half-wave, Full-wave & Bridge wave rectifiers without filters.
10. To determine the band gap by measuring the resistance of a Thermistor at different temperatures.
11. To determine the energy band gap of a semiconductor diode (Ge) using Four Probe Method.
12. To verify Stefan’s law by estimating the temperature of a torch bulb filament from resistance measurement.
13. To study the Hall Effect and calculate the Hall Coefficient and Charge Carrier Concentration of a given sample.
14. To find the wavelength of He-Ne laser using transmission diffraction grating.

Note: Apart from above listed experiments, course coordinator can also pick any other experiments meant for demonstrating proof-of-concept and to impart training and help the students learn the subject matter of “fundamentals of physics”, in general.


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