Home
Class 12
PHYSICS
Line spectrum can be obtained from...

Line spectrum can be obtained from

A

sun

B

candle

C

mercury vapour lamp

D

electic bulb

Text Solution

Verified by Experts

The correct Answer is:
A, C
Promotional Banner

Topper's Solved these Questions

  • OPTICS

    FULL MARKS|Exercise ADDITIONAL QUESITON - II ADDITIONAL PROBLEMS:|11 Videos

  • OPTICS

    FULL MARKS|Exercise TEXTUAL EVALUATION SOLVED V.NUMERICAL PROBLEMS|10 Videos

  • MAGNETISM AND MAGNETIC EFFECTS OF ELECTRIC CURRENT

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED - NUMERICAL PROBLEMS :|4 Videos

  • RECENT DEVELOPMENTS IN PHYSICS

    FULL MARKS|Exercise ADDITIONAL QUESTIONS (Short Answer Question)|6 Videos

Similar Questions

Explore conceptually related problems

Gum arabic obtained from

How many hamispheres can be obtained from a given sphere?

There are 11 points in a plane. No three of these lies in the same straight line except 4 points, which are collinear. Find , (i) the number of straight lines that can be obtained from the pairs of these points ? (ii) the number of triangles that can be formed for which the points are their vertices ?

There are 11 points in a plane. No three of these lies in the same straight line except 4 points, which are collinear. Find, (i) the number of straight lines that can be obtained from the pairs of these points? (ii) the number of triangles that can be formed for which the points are their vertices?

Agar is obtained from

Cocaine is obtained from

LSD is obtained from

FULL MARKS-OPTICS-ADDITIONAL QUESITON -( MULTIPLE CHOICE QUESTIONS )
  1. The light gathering power of a camera lens depends on

    Text Solution

    |

  2. Amount of light entering into the camera depends upon

    Text Solution

    |

  3. Line spectrum can be obtained from

    Text Solution

    |

  4. The production of band spectra is caused by

    Text Solution

    |

  5. If two mirrors are kept at 60^(@) to each other and a body is placed...

    Text Solution

    |

  6. A point source kept at a distance of 1000 m has a illumination I. To c...

    Text Solution

    |

  7. A concave mirror of focal length 15 cm forms an image having twice lin...

    Text Solution

    |

  8. When a ray of light enters a glass slab from air

    Text Solution

    |

  9. A light wave of frequency nu and wavelength lambda travels from air ...

    Text Solution

    |

  10. In refraction, light waves are bent on passing from one medium to the ...

    Text Solution

    |

  11. A ray of light having wavelenght 720 nm enters in a glass of refractiv...

    Text Solution

    |

  12. Brilliance of a diamond is due to

    Text Solution

    |

  13. An endoscope is employed by a physician to view the internal parts of ...

    Text Solution

    |

  14. Mirage is formed due to .

    Text Solution

    |

  15. Two lenses of power + 12D and - 2D are combined together. What is thei...

    Text Solution

    |

  16. If two lenses of power + 1.5 and + 1.0 D are placed in contact, then t...

    Text Solution

    |

  17. The angle of a prism is 6^(@) and its refractive index for green light...

    Text Solution

    |

  18. Sky appears to be blue in clear atmosphere due to light's

    Text Solution

    |

  19. One can not see through fog, because

    Text Solution

    |

  20. Fraunhofer lines of the solar system is an example of

    Text Solution

    |