Home
Class 12
CHEMISTRY
(A) Visible light can not be used to stu...

(A) Visible light can not be used to study crystals (R) The wave length of visible light is much smaller than the atomic dimensions

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

Both (A) and (R) are false

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    AAKASH SERIES|Exercise LEVEL - I (EXERCISE - I)|68 Videos
  • SOLID STATE

    AAKASH SERIES|Exercise LEVEL - I (EXERCISE - II)|77 Videos
  • SOLID STATE

    AAKASH SERIES|Exercise OBJECTIVE EXERCISE -3|22 Videos
  • REVISION EXERCISE

    AAKASH SERIES|Exercise COMPLEX COMPOUNDS|47 Videos
  • SOLIDS STATE

    AAKASH SERIES|Exercise PRACTICE EXERCISE|63 Videos

Similar Questions

Explore conceptually related problems

What is the speed of visible light ?

What is the range of wavelength of visible light rays?

Chlorophylls don't absorb this wave length of light

Are there any other wavelengths of light other than visible spectrum?

(A) Colloidal sols scatter light while true solutions do not. (R ) The paricals in the colloidal sol move much slower than that of the true solution

(A) A laser beam of 0.2W can drill holes through a metal sheet whereas a 1000W torch light cannot. (R) : The frequency of laser light in much higher than that of torch light.

AAKASH SERIES-SOLID STATE-OBJECTIVE EXERCISE -4
  1. (A) Conductivity of silicon increases by doping it with group-15 eleme...

    Text Solution

    |

  2. (A) Cadmium sulphide is perfectly covalent (R) The difference of elect...

    Text Solution

    |

  3. (A) Crystalline solids are anisotropic in nature (R) Crystalline subs...

    Text Solution

    |

  4. (A) Packing efficiency of hep and CCP are not equal (R) hep, ccp both ...

    Text Solution

    |

  5. (A) Visible light can not be used to study crystals (R) The wave lengt...

    Text Solution

    |

  6. (A) All covalent solids are non conductors (R) Graphite is a ionic so...

    Text Solution

    |

  7. (A) I(2), CO(2) have low melting point (R) I(2), CO(2) have weak disp...

    Text Solution

    |

  8. (A) Metallic solids are electrical and thermal conductors (R) Metallic...

    Text Solution

    |

  9. (A) Orthorhombic crystal system has four Bravis lattices (R) Orthorhom...

    Text Solution

    |

  10. (A) F- centre brings about colour (R) Vacancy with a trapped cation is...

    Text Solution

    |

  11. (A) Zinc oxide is yellow coloured when hot (R) Zinc oxide has metal e...

    Text Solution

    |

  12. (A) : Crystalline solids have sharp and chara cteric melting points. ...

    Text Solution

    |

  13. (A) Diamond and graphite are polymorphic forms (R) Carbon adopts diffe...

    Text Solution

    |

  14. (A) : During vacancy defect the density of solid decreases (R): The ...

    Text Solution

    |

  15. (A) : In many crystal structures of ionic substances cations occupy th...

    Text Solution

    |

  16. (A) Single crystals are formed when the process of crystallization is ...

    Text Solution

    |

  17. (A): Crystalline solids are anisotropic (R): Crystalline solids are ...

    Text Solution

    |

  18. (A) In any ionic solid with Schottky defects the number of positive an...

    Text Solution

    |

  19. (A) Every substance is super conducting at room temperature. (R) A sup...

    Text Solution

    |

  20. (A) All types of magnetic solids become paramagnetic at elevated tempe...

    Text Solution

    |