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Title      : Engineering Physics Model Question Papers First/Second Semester 2015-16
Subject      : Engineering Physics
Author      : Amogh P K
Publisher      : Saividya Institute of technology
Chapters/Pages      : 4/121
Total Price      : Rs.      : 51
 
 
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Chapters
     
Engineering Physics Solved Question Papers First/Second Semester 2015-16 Total views (37)  
Reduction of Planck�s law to Wein�s law and Rayleigh Jeans law: i) For shorter wavelengths, υ = c/λ is large. When υ is large, ehυ/kT is very large. . . . e hυ/kT >> 1 . . . (ehυ/kT -1) ≈ ehυ/kT = ehc/λkT Substituting in eqn 1: Uλ dλ =     d hc       5 hc/ kT e 8 1 =    C e d T C       ......
Pages: 28
Price: Rs 0  
 
Engineering Physics Solved Question Papers First/Second Semester December 2015 January 2016 Total views (5)  
Reduction of Plancks law to Weins law and Rayleigh Jeans law: i) For shorter wavelengths, υ = c/λ is large. When υ is large, ehυ/kT is very large. . . . e hυ/kT >> 1 . . . (ehυ/kT -1) ≈ ehυ/kT = ehc/λkT Substituting in eqn 1: Uλ dλ =     d hc  ......
Pages: 36
Price: Rs 19.8  
 
Engineering Physics Solved Question Papers First/Second Semester June/July 2016 Total views (4)  
Module - 1 1. a Mention the assumptions of Plancks law. Arrive at the relation for Weins law from Plancks law. 6 M b State Heisenbergs uncertainty principle. Show that electrons cannot exist inside the nucleus. 6M c Calculate the de-Broglie wavelength associated with neutron of mass 1.674 X 10-27 kg with one tenth part of the velocity of light. 4M Ans (a). i) P......
Pages: 28
Price: Rs 15.4  
 
Engineering Physics Solved Question Papers First/Second Semester December 2016 January 2017 Total views (13)  
Module - 1 1. a State Plancks radiation law. Show how Plancks law could be reduced to Wiens law and Rayleigh Jeanss law. 7 M b State Heisenbergs uncertainty principle and Show that electrons cannot exist inside the nucleus by this principle. 5M c Find de-Broglie wavelength of a particle of mass 0.58 MeV/c2 has a kinetic energy 90 eV, where c is the velocity of light. ......
Pages: 29
Price: Rs 15.95  
 


 
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