Download PTU B-Tech Industrial Engineering 2020 Dec 1st Sem 61003 Applied Physics Question Paper

Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) (IE)- Industrial Engineering 2020 December 1st Sem 61003 Applied Physics Previous Question Paper

Roll No.
Total No. of Pages : 02
Total No. of Questions : 16
B.Tech. (Ind. Engg. & Mgt. (TQM) (Sem.?1)
APPLIED PHYSICS
Subject Code : IEM-103
M.Code : 61003
Time : 3 Hrs. Max. Marks : 40
INST RUCT IONS T O CANDIDAT ES :
1 .
Attempt All EIGH T Questions from SECT ION -A c arrying T WO mark s each .
2 .
Attempt any SIX q ues tions out of EIGHT from SECT ION -B ca rrying FOUR marks
each.
SECTION-A
1)
Write dimensional formulae for angular momentum and impulse.
2)
It is easier to pull than to push a lawn roller. Why?
3)
What are elastic and inelastic collisions?
4)
State and explain Hook's law.
5)
Explain viscosity and coefficient of viscosity.
6)
State Faraday's law of electromagnetic induction.
7)
Define transverse wave motion and discuss its propagation.
8)
Differentiate between intrinsic and extrinsic semiconductors.
SECTION-B
9)
State and explain Newton's laws of motion and show how you obtain from the first law a
definition of force and from second law a measure of force.
10) Prove and discuss the work energy theorem.
11) What do you understand by Potential energy? Show that it is a function of position whose
negative gradient gives the conservative force.
1 | M- 61003
127

---

12) Define young's modulus, bulk modulus and Poisson's ratio and derive the relation between
them.
13) Define surface tension. How it is related to surface energy? State its units and give its
significance.
14) Derive an expression connecting the object and image distances, when refraction of light
takes
15) Derive an expression connecting the object and image distances, when refraction of light
takes place at a spherical surface separating two mediums.
16) Obtain an expression for the potential due to a uniformly charged sphere at an external and
internal point.
NOTE : Disclosure of Identity by writing Mobile No. or Marking of passing request on any
paper of Answer Sheet will lead to UMC against the Student.
2 | M- 61003
127

---