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PPSC · PMS Punjab 2019

Physics

100 marks · 3 hours · 8 questions
This paper Physics · all yearsQ. 1 · Prove that a positively charged…Q. 2 · How does the Michelson Morley…Q. 3 · Describe travelling waves and discuss…Q. 4 · Derive electromagnetic wave equation.Q. 5 · How can you produce and…Q. 6 · State and derive Gauss's and…Q. 7 · State and explain Law of…Q. 8 · Write short note on the…With this paper← 2017
3 hours · questions hide until you reveal them
Q. 1
  1. (a)Prove that a positively charged particle projected at right angles to a uniform magnetic field B, describes a circle. [10]
  2. (b)Discuss motion of satellites and derive mathematical expressions for speed and time period. [10]
(20)
Q. 2

How does the Michelson Morley experiment prove that the velocity of light is the same when measured along two perpendicular directions in a frame of reference which is supposed to be moving relative to the either?

(20)
Q. 3
  1. (a)Describe travelling waves and discuss sinusoidal waves also. [10]
  2. (b)What are the stationary waves? Analyze standing waves mathematically. [10]
(20)
Q. 4
  1. (a)Derive electromagnetic wave equation. [10]
  2. (b)Explain grating spectrometer and its resolution. [10]
(20)
Q. 5
  1. (a)How can you produce and measure low temperatures? Explain in detail. [10]
  2. (b)Describe in detail third law of thermodynamics. [10]
(20)
Q. 6

State and derive Gauss's and Stoke's theorems.

(20)
Q. 7
  1. (a)State and explain Law of Conservation of Linear Momentum. [10]
  2. (b)Explain gyroscope and its precession. [10]
(20)
Q. 8

Write short note on the following:

  1. (i)Kepler's laws of planetary motion [5]
  2. (ii)Surface tension [5]
  3. (iii)Newton's Rings [5]
  4. (iv)Fermi-Dirac statistics [5]
(20)

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About this paper

The 2019 PMS Punjab Physics paper set by the PPSC. Question wording only; questions marked “Not yet checked” have not been compared with the official paper yet.

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