Download PTU B.Tech 2020 March CSE-IT 2nd Sem PH 101 Physics I Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) ) BE/BTech CSE/IT (Computer Science And Engineering/ Information Technology) 2020 March 2nd Sem PH 101 Physics I Previous Question Paper

1 | M-54016 (S1)-2731

Roll No. Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (CSE/ME/IT) (Sem.?1,2)
ENGG. PHYSICS/PHYSICS-I
Subject Code : PH-101
M.Code : 54016
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION - B & C. have FOUR questions each.
3. Attempt any FIVE questions from SECTION B & C carrying EIGHT marks each.
4. Select atleast TWO questions from SECTION - B & C.

SECTION-A
Write short notes on :
1. Define Faraday's law.
2. Explain Dia and Para magnetism.
3. What are ferrites?
4. What is population inversion?
5. Explain optical pumping.
6. What is theory of relativity?
7. Write postulates of old quantum theory.
8. Define X-rays.
9. What is Meissner effect?
10. Define group and phase velocities.
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1 | M-54016 (S1)-2731

Roll No. Total No. of Pages : 02
Total No. of Questions : 18
B.Tech. (CSE/ME/IT) (Sem.?1,2)
ENGG. PHYSICS/PHYSICS-I
Subject Code : PH-101
M.Code : 54016
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION - B & C. have FOUR questions each.
3. Attempt any FIVE questions from SECTION B & C carrying EIGHT marks each.
4. Select atleast TWO questions from SECTION - B & C.

SECTION-A
Write short notes on :
1. Define Faraday's law.
2. Explain Dia and Para magnetism.
3. What are ferrites?
4. What is population inversion?
5. Explain optical pumping.
6. What is theory of relativity?
7. Write postulates of old quantum theory.
8. Define X-rays.
9. What is Meissner effect?
10. Define group and phase velocities.
2 | M-54016 (S1)-2731

SECTION-B
11. Write Maxwell equations in differential form and discuss physical significance of each
equation.
12. What are magnetic materials? Discuss hard and soft magnetic materials with examples.
13. Discuss possible transitions between two energy levels of an atomic system and deduce
the expressions for Einstein Coefficients.
14. Derive the expression for numerical aperture of an optical fibre in terms of acceptance
angle.

SECTION-C
15. Deduce the formula for relativistic variation of mass with velocity.
16. Explain Bragg?s law and its applications in crystallography.
17. Derive time dependent and time independent Schr?dinger wave equation.
18. What is superconductivity? Discuss Type-I and Type-II superconductors.







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