Structure of Atom -Sample test paper, Chemistry, Class XI, CBSE Class 11 Notes | EduRev

Class 11 : Structure of Atom -Sample test paper, Chemistry, Class XI, CBSE Class 11 Notes | EduRev

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CBSE TEST PAPER-03 
CLASS - XI CHEMISTRY (Structure of Atom)   
 
     Topic:-Bohr’s Model of an atom 
Marks: 20 
 
 
1. Give the range of wavelength of the visible spectrum.     [1] 
2. State the two developments that led to the formation of Bohr’s model of atom.  [1] 
3. What is an electromagnetic radiation?       [1] 
4. Calculate the wavelength corresponding to a frequency of 98.8MHz.   [2] 
5. Define black body radiation.         [1] 
6. Define quantum.          [1] 
7. Give the relation of energy (E) and frequency (v) as given by Planck.   [2] 
8. Calculate the frequency and energy of a photon of radiation having  
 wavelength 3000
0
A .          [2] 
9. What did Planck’s theory explain?       [1] 
10. On what frequency does the frequency from a black body depend?   [1] 
 
 
 
 
 
 
 
 
 
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