தென்மாவட்ட இளைஞர்கள் IAS ,IPS படிக்க அரிய வாய்ப்பு !
மதுரை காமராஜர் பல்கலையில் இலவச தங்குமிடம் மற்றும் பயிற்சி , மாத ஊக்க தொகை ரூ 3000 . பட்டபடிப்பு போதுமானது.
மேலதிக விபரங்கள் மற்றும் விண்ணப்பப் படிவத்தை தரவிறக்கம் செய்ய இங்கே சொடுக்கவும்,
UNIT BASED ONLINE EXTERNAL EXAMINATION - NOVEMBER – 2020 - PROFESSIONAL ENGLISH - I - SLOT III SEMESTER I
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ALAGAPPA UNIVERSITY
KARAIKUDI – 630 003
UNIT BASED ONLINE EXTERNAL EXAMINATION - NOVEMBER – 2020
FIRST SEMESTER SLOT – III
PROFESSIONAL ENGLISH - I
Total Marks: 25 Time: 1.0 Hr
SECTION A –MCQ – 10 x 1 = 10 Marks
ANSWER ALL THE QUESTIONS
1. What IoT stands for?
2. The word vital means _______.
3. What a thermostat does?. Give the etymological root of thermostat.
4. Arrange the words in proper order and form a sentence:
bubbles/walls /thickness /microns/thin/ very/with/around/a /have/ few /soap
5. Who is a dermatologist?. Give any other related word.
SECTION B - DESCRIPTIVE - 3 x 5 = 15 Marks
ANSWER ANY THREE
6. What is an abbreviation? Give an example. Explain how it differs from an acronym.
7. List a few applications of IoT.
8. Write in your own words, your thoughts on IoT.
9. What does iridescent mean?. Site a couple of examples. How does it differ from other chromogenic phenomena?
10. Read the source passage The Soup Bubble [Pages 65-69 of the PE Text Book] and Find out Who Am I?
UNIT BASED ONLINE EXTERNAL EXAMINATION - NOVEMBER – 2020 - ALLIED MATHS FOR PHYSICS MAJOR - ANCILLARY MATHEMATICS - I - 7BMAA1 - SLOT III - SEMESTER I
GOING GREEN PROTECTING YOUR EYES WITH DARK MODE!
III INTERNAL TEST - OPTICS AND SPECTROSCOPY
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Optics and Spectroscopy - 7BPH3C1
III Internal Test
Answer Any Four 4x5 = 20
Time : 1 Hr
1. Discuss the working of polarimeter.
2. Discuss the production and analysis of circularly polarized light.
3. Explain the construction and working of Nicol prism.
4. Write note on microwave spectroscopy.
5. Differentiate between infrared active and Raman active molecules.
UNIT BASED ONLINE EXTERNAL EXAMINATION - NOVEMBER – 2020 - PROFESSIONAL ENGLISH - I - SLOT II SEMESTER I
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ALAGAPPA UNIVERSITY
KARAIKUDI – 630 003
UNIT BASED ONLINE EXTERNAL EXAMINATION - NOVEMBER – 2020
FIRST SEMESTER SLOT – II
PROFESSIONAL ENGLISH - I
Total Marks: 25 Time: 1.0 Hr
SECTION A –MCQ – 10 x 1 = 10 Marks
ANSWER ALL THE QUESTIONS
1. Complete the following sentences [Use your imagination freely!]
a.It is likely that ______________________.
b.It seems to me that __________________ .
2. List two differences between saccharine and sugar.
3. What an accidental discovery is called in English? Hint : A single word. Give an example for such a discovery.
4. Who discovered Electron? Which year it was discovered?
5. Who is Pierre Curie and What's his eponymous point?
SECTION B - DESCRIPTIVE - 3 x 5 = 15 Marks
ANSWER ANY THREE
6. Briefly describe the discovery of saccharine in your own words.
7. How sugar is addictive to humans? Comically write a few lines about sugar cravings of your or a person known to you.
8. What do you think as the reason between the fall apart between Remsen and Fahlberg?
9. Write about the early life of Marie Curie.
10. Why we can call Curies a 'Nobel' family?
III INTERNAL TEST - ANALOG ELECTRONICS - 7BPH5C1- 2020
ANALOG ELECTRONICS - 7BPH5C1
III Internal Test
Answer Any Four 4x5 = 20
Time : 1 Hr
1. Discuss current and voltage gain of negative feedback amplifiers.
2. Derive Barkhausen criterion for sustained oscillations.
3. State and explain the golden rules of op-amps.
4. Explain the concept of virtual ground in op-amps.
5. Describe with diagram an op-amp adder circuit.
UNIT BASED ONLINE EXTERNAL EXAMINATION - OCTOBER – 2020 - MECHANICS AND RELATIVITY - 7BPH1C2 - SLOT II SEMESTER I
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ALAGAPPA
UNIVERSITY
KARAIKUDI – 630 003
UNIT BASED ONLINE EXTERNAL EXAMINATION - NOVEMBER – 2020
FIRST SEMESTER SLOT – II
MECHANICS AND RELATIVITY - 7BPH1C2
Total Marks: 25 Time: 1.0 Hr
SECTION A – SHORT ANSWER - 5 x 2 = 10 Marks
ANSWER ALL THE QUESTIONS
1. Write about Galilean transformation.
2. What is time dilation?
3. What is the basic assumption of Michelson-Morley experiment?
4. Give the postulates of special theory of relativity.
5. Write any two phenomena that uses mass energy relation.
SECTION B - DESCRIPTIVE - 3 x 5 = 15 Marks
ANSWER ANY THREE
6. Describe the Michelson-Morley experiment and discuss its’ result
7. Write in detail about Lorentz transformation equations.
8. Explain the length contraction and time dilation.
9. Describe the relativistic velocity addition.
10. Derive an expression for Einstein’s mass-energy relation.
UNIT BASED ONLINE EXTERNAL EXAMINATION - NOVEMBER – 2020 - SOLID STATE PHYSICS - 7BPHE2C - SLOT III - SEMESTER V
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ALAGAPPA
UNIVERSITY
KARAIKUDI – 630 003
UNIT BASED ONLINE EXTERNAL EXAMINATION - NOVEMBER – 2020
FIFTH
SEMESTER SLOT – III
SOLID STATE PHYSICS - 7BPHE2C
Total Marks: 25 Time: 1.0 Hr
SECTION A – SHORT ANSWER - 5 x 2 = 10 Marks
ANSWER ALL THE QUESTIONS
1. Give
any two applications of photo diode.
2. Draw neat
diagram of a solar cell.
3. Distinguish
between photo conductivity and electrical conductivity.
4. Define the
unit of photo conductivity.
5. Give few
applications of semiconductors.
SECTION B - DESCRIPTIVE - 3 x 5 = 15 Marks
ANSWER ANY THREE
6. Describe the
applications of solar cells.
7. Briefly
discuss Josephson effect.
8. Explain
photo conductivity and discuss its’ applications.
9. What is
meant by Meissner effect?
10. Distinguish
between metals, insulators and semiconductors.
UNIT BASED ONLINE EXTERNAL EXAMINATION - NOVEMBER – 2020 - LASER PHYSICS AND FIBER OPTICS - 7BPHE1C - SLOT III - SEMESTER V
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ALAGAPPA
UNIVERSITY
KARAIKUDI – 630 003
UNIT BASED ONLINE EXTERNAL EXAMINATION - NOVEMBER – 2020
FIFTH
SEMESTER SLOT – III
LASER PHYSICS AND FIBER OPTICS 7BPHE1C
Total Marks: 25 Time: 1.0 Hr
SECTION A – SHORT ANSWER - 5 x 2 = 10 Marks
ANSWER ALL THE QUESTIONS
1. Define
light sources.
2. What is
splicing?
3. What are the
desired qualities of photodetectors?
4. Define
modulation bandwidth of LED.
5. What are
optical couplers?
SECTION B - DESCRIPTIVE - 3 x 5 = 15 Marks
ANSWER ANY THREE
6. Describe the
types of photodetectors.
7. Briefly
explain communication systems.
8. Explain
various parameters of fiber cables.
9. What is
OTDR?
10. Discuss
repeaters with a block diagram.
UNIT BASED ONLINE EXTERNAL EXAMINATION - NOVEMBER – 2020 - PROPERTIES OF MATTER AND ACOUSTICS - 7BPH1C1 - SLOT II - SEMESTER I
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ALAGAPPA
UNIVERSITY
KARAIKUDI – 630 003
UNIT BASED ONLINE EXTERNAL EXAMINATION - NOVEMBER – 2020
FIRST
SEMESTER SLOT – II
PROPERTIES OF MATTER AND ACOUSTICS 7BPH1C1
Total Marks: 25 Time: 1.0 Hr
SECTION A – SHORT ANSWER - 5 x 2 = 10 Marks
ANSWER ALL THE QUESTIONS
1. Define
surface tension.
2. What is
meant by viscosity?
3. Define
critical velocity.
4. What is
resonance?
5. Define SHM.
SECTION B - DESCRIPTIVE - 3 x 5 = 15 Marks
ANSWER ANY THREE
6. Explain the
types of vibrations.
7. Derive the
Poiseuille’s formula for liquid flow through a capillary tube.
8. Describe the
determination of surface tension by Jaeger’s method.
9. What are the
types of fluid motion?
10. Describe
the excess pressure inside a curved liquid surface.
UNIT BASED ONLINE EXTERNAL EXAMINATION - NOVEMBER – 2020 - OPTICS AND SPECTROSCOPY - 7BPH3C1 - SLOT III - SEMESTER III
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ALAGAPPA
UNIVERSITY
KARAIKUDI – 630 003
UNIT BASED ONLINE EXTERNAL EXAMINATION - NOVEMBER – 2020
THIRD
SEMESTER SLOT – III
OPTICS AND SPECTROSCOPY 7BPH3C1
Total Marks: 25 Time: 1.0 Hr
SECTION A – SHORT ANSWER - 5 x 2 = 10 Marks
ANSWER ALL THE QUESTIONS
1. Why
the Fraunhofer diffraction is called ‘Far Field Diffraction’?
2. Define
resolving power. State Rayleigh criterion for resolution.
3. Define
circular polarization.
4. Why the
intensity of anti-stokes line less than that of stokes line?
5. What is
molecular polarizability?
SECTION B - DESCRIPTIVE - 3 x 5 = 15 Marks
ANSWER ANY THREE
6. Discuss the
theory of double slit Fraunhofer diffraction.
7. Derive the
Grating equation sinθ = Gmλ.
8. Write the
theory of half wave plate.
9. Explain
vibrational Raman spectra.
10. Explain
infrared spectroscopy.
UNIT BASED ONLINE EXTERNAL EXAMINATION - OCTOBER – 2020 - COMPUTER PROGRAMMING IN C - 7BPH5C2 - SLOT III - FIFTH SEMESTER
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ALAGAPPA
UNIVERSITY
KARAIKUDI – 630 003
UNIT BASED ONLINE EXTERNAL EXAMINATION - NOVEMBER – 2020
FIFTH
SEMESTER SLOT – III
COMPUTER PROGRAMMING IN C - 7BPH5C2
Total Marks: 25 Time: 1.0 Hr
SECTION A – SHORT ANSWER - 5 x 2 = 10 Marks
ANSWER ALL THE QUESTIONS
1. What is meant by automatic variable?
2. How will you call a function from the main function?
3. What is the meaning of return
(k) in C programming?
4. What are external variables?
5. What is the advantage of using functions rather than using one large
main program?
SECTION B - DESCRIPTIVE - 3 x 5 = 15 Marks
ANSWER ANY THREE
6. Explain briefly how you will write a function.
7. Explain clearly the different storage classes in C.
8. Write a program to add the given three numbers using function.
9. Write a program to find the average of set of numbers,
10. Write a program to find the factorial of a given number.
UNIT BASED ONLINE EXTERNAL EXAMINATION - OCTOBER – 2020 - ANALOG ELECTRONICS - 7BPH5C1 - SLOT III
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ALAGAPPA
UNIVERSITY
KARAIKUDI – 630 003
UNIT BASED ONLINE EXTERNAL EXAMINATION - NOVEMBER – 2020
THIRD
SEMESTER SLOT – III
ANALOG ELECTRONICS 7BPH5C1
Total Marks: 25 Time: 1.0 Hr
SECTION A – SHORT ANSWER - 5 x 2 = 10 Marks
ANSWER ALL THE QUESTIONS
1. State
Barkhausen criterion.
2. What is
positive feedback?
3. State any
two applications of op-amp.
4. Define CMRR.
5. Define input
impedance of an op-amp.
SECTION B - DESCRIPTIVE - 3 x 5 = 15 Marks
ANSWER ANY THREE
6. Explain the
working of Colpitt oscillator.
7. With neat
diagram explain the principle and working of RC phase shift oscillator.
8. List the
characteristics of an ideal op-amp.
9. Explain the
working of an op-amp differentiator with appropriate diagrams.
10. Explain the
working of an op-amp integrator with appropriate diagrams.
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