In wave motion |

A) All particles begin vibrating at the same time and are all in the same state of vibration |

B) Different particles begin vibrating at different times and are all in the same state of vibration |

C) Different particles begin vibrating at different times and are in different states of vibration |

D) All particles begin vibrating at the same time and are in different states of vibration |

A particle some distance from the end of a vibrating rope begins vibrating at a certain moment. As this instant the phase of the particle closer to the source by λ/8 will be |

A) ahead by π/2 | B) lag behind by π/2 | C) ahead by π/4 | D) lag behind by π/4 |

A particle 'A' receives a disturbance some time after a particle 'B' begins vibrating. During a time T/2 after the 'A' begins vibrating, phase of particle 'B' in the same duration would have undergone change of |

A) π/2 | B) π | C) 2π | D) π/4 |

In wave motion a particle 'A' begins vibrating at a certain moment. Particle 'B' is yet to begin vibrating. During a time T/2 after the 'A' begins vibrating, phase of particle B in the same duration would have undergone change of |

A) π/2 | B) π | C) 2π | D) undefined |

In wave motion on a rope two particles 'A' and 'B' have both been vibrating for some time, B having begun vibrating some time after 'A' started vibrating. In some time, if the phase of A advances by π, phase of B advances by |

A) π | B) less than π | C) more than π | D) undefined |

A wave is travelling in a medium. The minimum distance between the two particles, always having same speed, is |

A) λ/4 | B) λ/3 | C) λ/2 | D) λ |

A wave is travelling in a medium. Displacement of a particle 'A' is zero at a certain instant. Particle 'B' closest to 'A” having the same displacement is at a distance of |

A) λ | B) λ/3 | C) λ/2 | D) λ |

A wave is travelling in a medium. A particle 'A' has a certain displacement at a certain instant. Particle 'B' closest to it having the same displacement is at a distance of |

A) λ | B) λ/3 | C) λ/2 | D) undefined |

Two vibrating particles on a rope are at their extreme positions. The minimum distance between such pairs of particles is |

A) λ | B) λ/3 | C) λ/2 | D) undefined |

One end of a rope has been set in to vibration at some moment and a wave has advanced some distance on the rope. Particle 'A' closer to the end of the rope and particle 'B' farther from the end have been vibrating for some time. If phase of 'A' advances by π in some time, phase of 'B' in the same time advances by |

A) π | B) less than π | C) more than π | D) undefined |

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