Board of Intermediate & Secondary Studies, Federal (Federal Board) HSSC 2012 Physics question paper with answers Federal Board Class 11th Physics 2012 Question with solution you can download it in FREE, if Federal Board HSSC Part I Physics 2012 paper in text or pdf for BISE Federal Class XI Physics 2012 you can download Federal Board HSSC (11th) 2012 page also just Go to menu bar, Click on File->then Save.
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SECTION – A (Marks 17)
(i) An ideal reversible heat engine has_____________
A. 100% efficiency
B Highest efficiency
C. An efficiency whch depends on the nature of working substance
D. None of these
(ii) Can the velocity of an object reverse the direction when acceleration is constant?
(iii) What is mant by Proj.ctil. motion?
(iv) Human metabo’ism provides an example of law of conservation of erergy Explain on the basis of the 1th law of thermodynamics How does Diese engine work
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