6. The Miller indices of the diagonal plane of a cube are:

1. 1. 110

   
   
   

   2. 111

   
   
   

   3. 100

   
   
   

   4. 000

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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7. The nature of atomic bond found in diamond is:

1. 1. ionic

   
   
   

   2. covalent

   
   
   

   3. metallic

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   The nature of atomic bond found in diamond is covalent.

   Correct Option: B

   The nature of atomic bond found in diamond is covalent.

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8. The crystal structure of most of the common metals is:

1. 1. hexagonal

   
   
   

   2. cubic

   
   
   

   3. orthorhombic

   
   
   

   4. None of these

   
   
   

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   The crystal structure of most of the common metals is cubic.

   Correct Option: B

   The crystal structure of most of the common metals is cubic.

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9. Hall effect coefficient is:

1. 1. directly proportional to the mobility of the specimen

   
   
   

   2. directly proportional to the conductivity of the specimen

   
   
   

   3. not applicable to the semiconductors

   
   
   

   4. cannot be used to determine the mobility of the specimen

   
   
   

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1. View Hint View Answer Discuss in Forum

   Hall effect coefficient is directly proportional to the conductivity of the specimen.

   Correct Option: A

   Hall effect coefficient is directly proportional to the conductivity of the specimen.

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10. The electronic configuration of an iron atom is:

1. 1. 1s², 2s², 2p⁶, 3s², 3p⁶, 3d⁶, 4s²

   
   
   

   2. 1s², 2s², 2p⁶, 3s², 3p⁶, 3d³, 4s²

   
   
   

   3. 1s², 2s², 2p⁶, 3s², 3p⁶, 3d⁸, 4s²

   
   
   

   4. None of the above

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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