Home
Class 12
PHYSICS
If the shift of wavelength of light emit...

If the shift of wavelength of light emitted by a star is towards violet, then this shows that star is

A

stationary

B

moving towards earth.

C

moving away from earth

D

informatino is incomplete.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WAVE THEORY OF LIGHT

    TARGET PUBLICATION|Exercise EVALUATION TEST|20 Videos
  • WAVE THEORY OF LIGHT

    TARGET PUBLICATION|Exercise CRITICAL THINKING|43 Videos
  • WAVE MOTION

    TARGET PUBLICATION|Exercise MCQ 7.1|61 Videos

Similar Questions

Explore conceptually related problems

If the shift of wavelength of light emitted by a star is towards viloet, then this shows that star is

If the wavelength of light emitted by a star is shifted towards red end, then the star is -

Light energy emitted by star is due to

A star is receding from earth with a velocity 3 xx 10^(6) m//s . If the actual wavelength of the light emitted by the star is lambda and Delta lambda is the displacement in wavelength as observed on earth then Delta lambda : lambda is -

What is the wavelength of violet light?

A distant star is moving constantly towards the Earth at a speed of 2.3 xx 10^4 ms^(-1) . A shift of 0.5 Å in wavelengths is observed from the Earth. Calculate the actual value of wavelength emitted from the star if the Earth is considered at rest with respect to the distant star.

The apparent wavelength of light from a star moving away from the earth is 0.02% more than the actual wave length. What is the velocity of star

When the wavelength of light coming from a distant star is measured it is found shifted towards red. Then the conclusion is

If a star is moving towards the earth, then the lines are shifted towards

TARGET PUBLICATION-WAVE THEORY OF LIGHT -COMPETITIVE THINKING
  1. The polarising angle of glass is 57^(@) . A ray of light which is inci...

    Text Solution

    |

  2. The Brwster angle of the glass-air interface is 54.74^(@). If a ray ...

    Text Solution

    |

  3. A ray of lighyt is incident at an angle I on a glass slab of refractiv...

    Text Solution

    |

  4. The polarising angle the transparent medium is 'theta' and 'v' is ...

    Text Solution

    |

  5. Light is incident at an angle i on a glass slab. The reflected ray is...

    Text Solution

    |

  6. The angle of incidence at which reflected light is totally polarized f...

    Text Solution

    |

  7. The ralation between the polarising angle and the critical angle is

    Text Solution

    |

  8. The angle of polarisation for any medium is 60^@. What will be critica...

    Text Solution

    |

  9. A ray of light travelling in impure water is incident on a glass plate...

    Text Solution

    |

  10. If the shift of wavelength of light emitted by a star is towards viole...

    Text Solution

    |

  11. A star is moving away form the earth with a velocvity of 100 km/s. the...

    Text Solution

    |

  12. The velocity of a moving galaxy is 300 km s^(-1) and the apparent chan...

    Text Solution

    |

  13. The 6563 Å line emitted by hydrogen atom in a star is found to be red ...

    Text Solution

    |

  14. An observer is moving with half the speed of light towards a stationar...

    Text Solution

    |

  15. On a hot summer night, the refractive index of air is smallest near th...

    Text Solution

    |

  16. A light has amplitude A and angle between analyser and polariser is 60...

    Text Solution

    |

  17. The refractive index of glass w.t.r. a medium is 4/3 . If vm - mE = 6....

    Text Solution

    |

  18. Light enters from air into a medium of R.I. 1.5. What is the percenta...

    Text Solution

    |

  19. The angle of incedence is fornd to be twice the angle of reraction whe...

    Text Solution

    |

  20. How fast a person should drive his car so that the red signal fo light...

    Text Solution

    |