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PRACTICALS
- To enable students to do experiments on the fundamental laws and principles, and gain experience of using a variety of measuring instruments.
- To enhance basic learning skills of the students.
- To give students opportunity of learning by doing and develop a correlation between theory and practical.
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Course |
Learning outcome (at course level) |
Learning and teaching strategies |
Assessment Strategies |
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Paper Code |
Paper Title |
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PHY 125 |
PHYSICS PRACTICAL |
After completion of the course the student will be able to CO 25:To study about of solid state power supply, simple rectifier circuit, different filter circuits, regulator circuit, two stage transistor amplifier and effect of feedback to determine experimental values.
CO 26: Knowledge to design & study of transistor/ operational amplifier on a bread board for Hartley oscillator, Colpitt oscillator, Wein bridge oscillator, Phase shift oscillator and to analyze the output waveforms in each case.
CO 27: Learn about the Experiments like Fresnel’s biprism, Michelson interferometer, Multiplexer-Demultiplexer, Flip-Flop, Operational-Amplifier, 8 bit analog to digital converter to determine experimental values.
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Approach in teaching: Demonstration, Group activity, Discussion ,Conduction of Experiments
Learning activities for the students: Performing Experiments, Analysis and interpretation of observations, |
Class test, Semester end examinations, Viva voce, Practical record file |
NOTE: Students are expected to perform eight experiments in the semester. Out of these eight experiments, two experiments will be set in the examination paper.
The examination will be conducted for 6 hrs. The distribution of marks in the practical examination will be as follows:
1. Two experiments : 30 marks each
2. Distribution of marks will be as follows :
Figure /Formula/Theory : 7
Observations/Calculations : 16
Result /Result Analysis : 5
Precautions : 2
3. Viva -Voce : 10
Total : 70 marks
List of Experiments
Note: The students will be required to perform 8 experiments in each semester:
1. Study of solid state power supply.
a. Study of simple rectifier circuit configuration.
b. Study the different filter circuits and find the ripple factor in each case.
c. Study of regulator circuit and find the percentage regulation in the two cases-
i. with load variation.
ii. with input ac variation.
2. Fresnel’s biprism.
a. To determine the wavelength of sodium light with the help of fresnel’s biprism.
b. To determine the thickness of mica sheet.
3. Michelson interferometer.
a. To determine the wavelength of monochromatic sodium light.
b. To determine the difference in wavelength between sodium D lines.
4. Study of two stage transistor amplifier and effect of feedback.
a. Frequency response of a transistorised RC coupled amplifier with no feedback.
b. Frequency response of the amplifier with negative feedback.
c. Frequency response of the amplifier with positive feedback.
5. Multiplexer-Demultiplexer.
a. To verify the operation of 16 line to 1 line multiplexer.
b. To study the operation of a digital demultiplexer.
6. Flip-Flop.
To study and verify the following-
a. S-R flip-flop
b. Type ‘D’ flip-flop
c. J-K flip-flop
d. Master slave J-K flip-flop
7. Operational-Amplifier.
To study the following mathematical operations-
a. Adder
b. Subtractor
c. Integrator (for ac i/p and dc i/p signal)
d. Differentiator
8. 8 bit analog to digital converter.
a. To study the basic principle of conversion of analog to digital binary signal using comparator (LTB-812).
b. To study the conversion of analog signal to 8 bit digital signal using IC ADC 0800 based on SAR (LTB-833).
9. To verify Fresnel’s formula for the reflection of light.
10. To design & study any one of the following using transistor/ operational amplifier on a bread board:
i) Hartley oscillator
ii) Colpitt oscillator
iii) Wein bridge oscillator
iv) Phase shift oscillator
