Page 20 - Microsoft Word - B.Tech. Course Structure (R20) WITH 163 CREDITS

JNTUA College of Engineering (Autonomous), Ananthapuramu
Department of Computer Science & Engineering
APPLIED PHYSICS LAB
Course Code: Semester – I(R20) L T P C: 0 0 3 1.5
Course Objectives:
• Understands the concepts of interference, diffraction and their applications.
• Understand the role of optical fiber parameters in communication.
• Recognize the importance of energy gap in the study of conductivity and Hall Effectin a
semiconductor.
• Illustrates the magnetic and dielectric materials applications.
• Apply the principles of semiconductors in various electronic devices.

Course Outcomes:

• Operate optical instruments like microscope and spectrometer
• Determine thickness of a hair/paper with the concept of interference
• Estimate the wavelength of different colors using diffraction grating and resolving power
• Plot the intensity of the magnetic field of circular coil carrying current with distance
• Evaluate the acceptance angle of an optical fiber and numerical aperture
• Determine the resistivity of the given semiconductor using four probe method
• Identify the type of semiconductor i.e., n-type or p-type using hall effect

• Calculate the band gap of a given semiconductor

List of experiments:

1. Determination of the thickness of the wire using wedge shape method
2. Determination of the radius of curvature of the lens by Newton’s ring method
3. Determination of wavelength by plane diffraction grating method
4. Determination of dispersive power of prism
5. Determination of wavelength of LASER source using diffraction grating
6. Determination of particle size using LASER
7. To determine the numerical aperture of a given optical fiber and hence to find its acceptance
angle
8. Determination of dielectric constant by charging and discharging method
9. Magnetic field along the axis of a circular coil carrying current –Stewart Gee’s method
10. Measurement of magnetic susceptibility by Gouy’s method
11. Study the variation of B versus H by magnetizing the magnetic material (B-H curve)
12. To determine the resistivity of semiconductor by Four probe method
13. To determine the energy gap of a semiconductor
14. Determination of Hall voltage and Hall coefficient of a given semiconductor using Hall Effect
15. Measurement of temperature coefficient of resistance using thermostat

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