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

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Total No. of Pages : 02
Total No. of Questions : 16

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B.Tech. (Ind. Engg. & Mgt. (TQM) (Sem.-1)

APPLIED PHYSICS

Subject Code : IEM-103
M.Code : 61003

Time : 3 Hrs. Max. Marks : 40

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INSTRUCTIONS TO CANDIDATES :

1. Attempt All EIGHT Questions from SECTION-A carrying TWO marks each.
2. Attempt any SIX questions out of EIGHT from SECTION-B carrying FOUR marks each.

SECTION-A

1. Write dimensional formulae for angular momentum and impulse.

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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.

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7. Define transverse wave motion and discuss its propagation.
8. Differentiate between intrinsic and extrinsic semiconductors.

SECTION-B

1. 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.
2. Prove and discuss the work energy theorem.

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3. What do you understand by Potential energy? Show that it is a function of position whose negative gradient gives the conservative force.
4. Define young’s modulus, bulk modulus and Poisson’s ratio and derive the relation between them.
5. Define surface tension. How it is related to surface energy? State its units and give its significance.
6. Derive an expression connecting the object and image distances, when refraction of light takes place.
7. Derive an expression connecting the object and image distances, when refraction of light takes place at a spherical surface separating two mediums.

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8. 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.

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