Peoples Physics Book Version-2

27.1. The Big Idea http://www.ck12.org

4. 1.55 pm


5. 3.27 eV
   8..


6. (b) 15 (c) 182 nm,188 nm,206 nm,230 nm
   10.− 10 .3 eV,− 3 .82 eV,− 2 .29 eV,− 1 .83 eV


7. 
   
   
   
   4. 19 × 107 m/s
   
   
   
   


8. 
   
   
   
   1. 70 × 10 −^11 m
   
   
   
   


9. 
   
   
   
   1. 95 ◦
      4..068 m
   
   
   
   


10. 1.89 V


11. 1.60 A


12. 
    
    
    
    1. 25 Ω
    
    
    
    


13. 
    
    
    
    4. 40 × 10 −^24 kgm/s
    
    
    
    


14. 
    
    
    
    1. 17 × 10 −^24 kgm/s
    
    
    
    


15. 
    
    
    
    3. 23 × 10 −^24 kgm/s
    
    
    
    


16. 
    
    
    
    3. 76 × 107 m/s
    
    
    
    


17. 
    
    
    
    1. 1365 × 10 −^22 kgm/s
    
    
    
    


18. 5.860 pm
    3.^2 42 Cu→^4 He+^2 38Pu


19. 238.0497 amu


20. 17.7 cm
    6.−y
    7.+y, 34 .2 N/C
    11..


21. 0.10 Angstrom


22. 
    
    
    
    1. 76 × 10 −^34 eV