Home
Class 12
PHYSICS
The dark lines in the solar spectrum are...

The dark lines in the solar spectrum are due to

A

Absorption of certain wavelengths by elements present in the outer layer

B

Absence of certain elements in the sun

C

Black body radiation from the sun

D

Scattering of light

Text Solution

Verified by Experts

The correct Answer is:
A
Absorption of wavelengths by elements in the outer layer results dark lines in the solar spectrum.
Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER

    SIA PUBLICATION|Exercise PHYSICS|14 Videos

  • SAMPLE PAPER 2017

    SIA PUBLICATION|Exercise PHYSICS|8 Videos

Similar Questions

Explore conceptually related problems

Fraunhoffer lines in solar spectrum can be cited as an example of

D_3 line was observed along with D, and Din the solar spectrum. This denotes the presence of

Assertion (A) Si and GaAs are the preferred materials for solar cells. Reason (R) Both these materials have energy band gaps much below the energy level corresponding to the maximum solar irradiance in the solar spectrum. The correct answer is

Hydrogen atom in ground state is excited by a monochromatic radiation of lambda = 975 Å. Number of spectral lines in the resulting spectrum emitted will be

Atomic hydrogen is excited from the grounds state to the n^(th) state. The number of lines in the emission spectrum will be:

(A) : During solar eclipse, the solar spectrum is an emission spectrum ( R) : During solar eclipse, the radiation from the elements in chromosphere is only received on earth.

How many Balmer lines in the spectrum will be observed when electrons return from 7^(th) shell to 2^(nd) shell ?

SIA PUBLICATION-RAY OPTICS-M.C.Q
  1. Fraunhofer lines are due to

    Text Solution

    |

  2. Which of the following statements is not true in the case of Huygen’s ...

    Text Solution

    |

  3. The dark lines in the solar spectrum are due to

    Text Solution

    |

  4. An incandescent filament emits a spectrum which is a

    Text Solution

    |

  5. Reflection of a light wave at a fixed point results in a phase differe...

    Text Solution

    |

  6. In a Huygen's eye-piece the eye lens has a focal length of f, the equi...

    Text Solution

    |

  7. An astronomical telescope has a length of 310 cm and a magnifying powe...

    Text Solution

    |

  8. If hati denotes a unit vector along incident light ray, hati a unit ve...

    Text Solution

    |

  9. In- an equilateral triangular prism, the angle of minimum deviation fo...

    Text Solution

    |

  10. The least distance of distinct vision is 25 cm. The magnifying power o...

    Text Solution

    |

  11. Which of the following wavelength is in the infrared region?

    Text Solution

    |

  12. If Foucoult's method for determining the velocity of light in air, the...

    Text Solution

    |

  13. A hollow prism made of transparent glass is filled with a transparent ...

    Text Solution

    |

  14. In a Ramsden eyepiece of effective focal length 3 cm the focal length ...

    Text Solution

    |

  15. The angle of a prism is 60° and the angle of minimum deviation of ligh...

    Text Solution

    |

  16. An astronomical telescope of magnifying power 12, has an objective of ...

    Text Solution

    |

  17. Two lenses of focal lengths 75 cm and 25 cm will form a combination sa...

    Text Solution

    |

  18. If p for water is 4//3 and the velocity of light in vacuum is 3 xx 10^...

    Text Solution

    |

  19. In Foucoult's method of determining the velocity of light, the distanc...

    Text Solution

    |

  20. In an astronomical telescope the distance between the eye-piece and th...

    Text Solution

    |