Home
Class 12
PHYSICS
(A): Doppler effect for light is importa...

(A): Doppler effect for light is important in astronomy.
(R): Doppler effect of light help in viewing stars.

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 and 'R' is false

D

Both 'A' and 'R' are false

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • WAVES

    AAKASH SERIES|Exercise EXERCISE-II (Wave Equations & Basics :)|19 Videos

  • WAVES

    AAKASH SERIES|Exercise EXERCISE-II (Strings (Speed of a travelling wave:))|23 Videos

  • WAVES

    AAKASH SERIES|Exercise EXERCISE-IA (Matching )|4 Videos

  • WAVE OPTICS

    AAKASH SERIES|Exercise PROBLEMS (LEVEL - II)|33 Videos

  • WAVES OPTICS

    AAKASH SERIES|Exercise EXERCISE -III (POLARISITION)|10 Videos

Similar Questions

Explore conceptually related problems

Doppler effect is applicable to

Effect of daily light period on flowering is

In the context of Doppler effect in light, the term red shift signifies

The change in frequency due to Doppler effect does not depend on

Statement -1 : The Doppler effect occurs in all wave motions. because Statement-2 : The Doppler effect can be explained by the principal of superposition of waves.

The most effective light for stomatal opening is

Effect of light and dark rhythm on plants :

What is the effect of light radiations on reaction rates?

Intert pair effect plays an important role in the case of

Name the factors on which Doppler effect depend.

AAKASH SERIES-WAVES-EXERCISE-IB (Assertion (A) & Reason (R) Type Questions)
  1. (A): When a stretched string vibrates in two segments, then all the vi...

    Text Solution

    |

  2. A violen note and sitar note may have the same frequency, yet we can d...

    Text Solution

    |

  3. A): An open organ pipe of certain length have the same fundamental fre...

    Text Solution

    |

  4. (A): The maximum number of beats that the human ear can detect is "10'...

    Text Solution

    |

  5. (A): Violet shift indicates that a star is approaching the earth. (R...

    Text Solution

    |

  6. A : Doppler's effect in sound is asymmetric but in light , it is symm...

    Text Solution

    |

  7. A : In Doppler's effect the value of apparent frequency depends on t...

    Text Solution

    |

  8. Statement(A): The reflection of sound from an extended object is echo ...

    Text Solution

    |

  9. (A): Doppler effect for light is important in astronomy. (R): Dopple...

    Text Solution

    |

  10. (A): Doppler effect is not applicable for a supersonic source of sound...

    Text Solution

    |

  11. (A): When an observer moves towards a stationary source, the frequency...

    Text Solution

    |

  12. (A) : When a source moves towards a stationary observer, the speed of ...

    Text Solution

    |

  13. A : Intensity of sound wave does not change when the listener moves ...

    Text Solution

    |

  14. (A): When an observer in motion 'passes by a stationary source the app...

    Text Solution

    |

  15. (A): Apparent frequency is equal to actual frequency when there is no ...

    Text Solution

    |

  16. (A): If wave enters from one medium to another medium then sum of ampl...

    Text Solution

    |

  17. (A): When a sound source moves towards observer, then frequency of sou...

    Text Solution

    |

  18. Two uniform solid spheres of equal radii R, but mass M and 4 M have a ...

    Text Solution

    |

  19. Statement I: In a small segament of string caruing sinusoidal wave, to...

    Text Solution

    |

  20. Statement I: two waves moving in a uniform string having uniform tensi...

    Text Solution

    |