Home
Class 12
PHYSICS
In hydrogen spectrum the wavelength of H...

In hydrogen spectrum the wavelength of `H_(a)` line is `656nm, ` where in the spectrum of a distance galaxy `H_(a)` line wavelength is `706 nm` . Estimated speed of the galaxy with respect to earth is ,

A

`1.2 xx 10^(7) ms^(-1)`

B

`2.2 xx 10^(7) ms^(-1)`

C

`3 xx 10^(7) ms^(-1)`

D

`1.9 xx 10^(7) ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • NTA JEE MOCK TEST 109

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

  • NTA JEE MOCK TEST 22

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

In hychrogen speactrun the wavelength of H_(a) line is 656nm, where in the spactrum of a distance galaxy H_(a) line wavwlength is 706 nm . Estimated speed of the galaxy with respact to each is ,

The wave number of the H_(a)- line in Balmer series of hydrogen spectrum is

The wavelength of emission line spectrum and absorption line spectrum of a substance are related as

In hydrogen spectrum, the spectral line of Balmer series having lowest wavelength is

Find wavelength of 1^(st) line of Paschen series of hydrogen spectrum.

In hydrogen spectrum shortest wave length for lyman series line is lamda , then find the longest wavelength of Balmer series line in He^+ ion spectrum

The wavelength of the second line of balmer series in the hydrogen spectrum is 4861A^(@) .the wavelength of the first line is ?

The wavelength of a line a spectrum is inversely proportional to

NTA MOCK TESTS-NTA JEE MOCK TEST 19-PHYSICS
  1. In hydrogen spectrum the wavelength of H(a) line is 656nm, where in t...

    Text Solution

    |

  2. A silver of radius 4.8 cm is suspended by a thread in the vacuum chamb...

    Text Solution

    |

  3. An underformed spring of spring constant k is connected to a bead of m...

    Text Solution

    |

  4. A deflection magnetometer is placed with its arm along the east-west d...

    Text Solution

    |

  5. The masses of three copper wires are in the ratio 2:3:5 and their leng...

    Text Solution

    |

  6. A potential difference of 0.75V applied across a galvanometer causes a...

    Text Solution

    |

  7. In an AC circuit the instantaneous values of emf and current are e=2...

    Text Solution

    |

  8. The plates of a parallel plate capacitor are charged up to 200 V. A di...

    Text Solution

    |

  9. A point charge q is placed at a distance of R from the centre of a co...

    Text Solution

    |

  10. A cord of length 64 m is used to connected a 100 kg astronaut to space...

    Text Solution

    |

  11. Two masses m and M are attached to the strings as shown in the figure....

    Text Solution

    |

  12. Ice starts forming in lake with water at 0^(@)C and when the atmospher...

    Text Solution

    |

  13. A very long cylindrical wire is carrying a current I(0) distriuted uni...

    Text Solution

    |

  14. The inclined plane OA rotates in vertical plane about a horizontal axi...

    Text Solution

    |

  15. The time period of oscillations of a block attached to a spring is t(1...

    Text Solution

    |

  16. In a photoelectric experiment the relation between applied potential d...

    Text Solution

    |

  17. A liquid drop having surface energy E is spread into 512 droplets of s...

    Text Solution

    |

  18. A vessel completely filled with water has holes 'A' and 'B' at depths ...

    Text Solution

    |

  19. A thin prism of angle 15^(@) made of glass of refractive index mu(1)=1...

    Text Solution

    |

  20. The outpout Y of the logic circuit shown in figure is best represente...

    Text Solution

    |