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PHYSICS PRACTICAL
Paper Code:
PHY 125
Credits:
8
Contact Hours:
240.00
Max. Marks:
100.00
Objective:
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
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
Academic Year:
