Q. 2
State and explain Gauss's Law in electrostatics and express it in differential form. Find the electric intensity at a point out side a volume distribution of charge confined in a region of radius R.
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FPSC · CSS 2013
Physics, Paper II
This paper
Physics · all yearsQ. 2 · State and explain Gauss's Law…Q. 3 · State and explain Faraday's Law…Q. 4 · Explain P-N junction as rectifier.Q. 5 · Explain Compton Effect and Photoelectric…Q. 6 · Discuss Bohr's atomic model and…Q. 7 · What is Radioactive decay? Define…Q. 8 · Write note on any TWO…With this paperPart-I MCQs20← 20132014 →3 hours · questions hide until you reveal them
Part II
Q. 3
State and explain Faraday's Law of electromagnetic induction. How Maxwell's equations are derived from fundamental relations for electrostatic and magneto static models? Explain these equations.
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Q. 4
- (a)Explain P-N junction as rectifier.
- (b)How a transistor is formed. Give construction and symbol of a PNP transistor?
- (c)How resistivity of semiconductors change with temperature.
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Q. 5
Explain Compton Effect and Photoelectric Effect. How they support photon theory of light? Discuss De-Broglie's Hypothesis.
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Q. 6
Discuss Bohr's atomic model and its success. How Rutherford's orbital motion violate classical physics? Describe Schrodinger's wave equation.
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Q. 7
What is Radioactive decay? Define half life and average life and relate half life to the disintegration constant. Discuss elementary particles and their properties.
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Q. 8
Write note on any TWO of the following:
- (a)Pointing Theorem and Pointing Vector
- (b)Nuclear Fission and Fusion
- (c)Band theory of Solids
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The 2013 CSS Physics paper set by the FPSC. Question wording only; questions marked “Not yet checked” have not been compared with the official paper yet.
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