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What is photovoltaic cell ?...

What is photovoltaic cell ?

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The device used to convert sunlight into electricity is called a photovoltaic cell
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PRADEEP-STATES OF MATTER: SOLID MATTER-ADDITIONAL QUESTIONS (VERY SHORT ANSWER )
  1. How can a substance be made amorphous?

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  2. Why is glass considered a supercooled liquid?

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  3. What is photovoltaic cell ?

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  4. What type of crystalline solid is graphite ?

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  5. Classify the following into ionic, molecular,cvalent and metallic crys...

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  6. Classify the following substances into ionic, covalent, molecular or m...

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  7. What type of solid is silicon carbide, SiC?

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  8. Write a feature which will distinguish a metallic solid from an ionic ...

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  9. What type of interactions hold together the molecules in a polar cryst...

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  10. Write any two differences between amorphous solids and crystalline sol...

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  11. In NaCl crystal the Cl^(-) ions are in f.c.c. arrangement. Calculate t...

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  12. How many atoms can be assigned to its unit cell if an element forms (i...

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  13. A metallic crystal cystallizes into a lattice containing a sequence of...

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  14. Give packing efficiency and coordination number of the following cryst...

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  15. What is the C.N. of octahedral void ?

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  16. In a crystal of zinc sulphide , zinc occupies tetrahedral voids . Wha...

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  17. How may octahedral voids are present in 1 mole of a compound having cu...

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  18. Arrange the following accroding to their packing fraction: simple c...

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  19. Write the coordination number of each ion in the following crystals : ...

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  20. A solid substance AB has a rock salt geometry . What is the coordinati...

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