Home
Class 9
PHYSICS
S.P. Balasubrahmanyam is conducting a mu...

S.P. Balasubrahmanyam is conducting a musical night in an open auditorium in New York . Taking into account , two persons, one who is sitting in the auditorium at a distance of 1 km from the stage and the other who is watching the live program on a television set sitting in front on it Hyderabad , who will hear him first ? Explain .

Text Solution

Verified by Experts

(i) Difference between velocities of mechanical and electromagnetic waves .
(ii) Is it the mechanical or electromagnetic form of sound that is received by the observer
(a) in the auditorium ?
(b) watching the live program ?
Which of electromagnetic and mechanical waves have larger velocity ?
(iii) Person in Hyderabad
Promotional Banner

Topper's Solved these Questions

  • WAVES MOTION AND SOUND

    PEARSON IIT JEE FOUNDATION|Exercise Level 3|10 Videos

  • WAVES MOTION AND SOUND

    PEARSON IIT JEE FOUNDATION|Exercise Level 1|45 Videos

  • SIMPLE MACHINES

    PEARSON IIT JEE FOUNDATION|Exercise Level- 3|10 Videos

Similar Questions

Explore conceptually related problems

Directions: Study the following information and answer the given questions: Ten friends A, B, C, D, E, P, Q, R, S, and T went for boating after the end of their mid-semester exams. They were travelling together in a single boat. Five persons were sitting on side X of the boat and the remaining five persons were sitting on side Y of the boat. Side X is on the west of side Y. The persons sitting on side X were facing the North and the persons sitting on side Y were facing the South. These persons were sitting one behind the other with equal distance between them on their respective sides. A person sitting on side X was at the right of a person sitting on side Y. Similarly, a person sitting on side Y was at the right of a person sitting on side X Only P is sitting between A and B who is facing the South. B is not sitting at the right of C. The three people sitting behind B are facing the South. There are 3 people sitting between E and D who is sitting at the right of R. R is not sitting on side X. There is at least one person sitting between T and A who is sitting at the right of S. Who among the following is/are sitting on side X of the boat

Directions: Study the following information and answer the given questions: Ten friends A, B, C, D, E, P, Q, R, S, and T went for boating after the end of their mid-semester exams. They were travelling together in a single boat. Five persons were sitting on side X of the boat and the remaining five persons were sitting on side Y of the boat. Side X is on the west of side Y. The persons sitting on side X were facing the North and the persons sitting on side Y were facing the South. These persons were sitting one behind the other with equal distance between them on their respective sides. A person sitting on side X was at the right of a person sitting on side Y. Similarly, a person sitting on side Y was at the right of a person sitting on side X Only P is sitting between A and B who is facing the South. B is not sitting at the right of C. The three people sitting behind B are facing the South. There are 3 people sitting between E and D who is sitting at the right of R. R is not sitting on side X. There is at least one person sitting between T and A who is sitting at the right of S. Who among the following is sitting at the right of C?

Directions: Study the following information and answer the given questions: Ten friends A, B, C, D, E, P, Q, R, S, and T went for boating after the end of their mid-semester exams. They were travelling together in a single boat. Five persons were sitting on side X of the boat and the remaining five persons were sitting on side Y of the boat. Side X is on the west of side Y. The persons sitting on side X were facing the North and the persons sitting on side Y were facing the South. These persons were sitting one behind the other with equal distance between them on their respective sides. A person sitting on side X was at the right of a person sitting on side Y. Similarly, a person sitting on side Y was at the right of a person sitting on side X Only P is sitting between A and B who is facing the South. B is not sitting at the right of C. The three people sitting behind B are facing the South. There are 3 people sitting between E and D who is sitting at the right of R. R is not sitting on side X. There is at least one person sitting between T and A who is sitting at the right of S. Four of the five are alike in a certain way in the following arrangement and thus form a group. Which is the one that does not belong to the group?

Eight persons-P, Q, R, S, T, U, V and W-who are playing musical chairs, are sitting around a circular table in the same order at equal distances. In each round, first the persons sitting in the opposite seats interchange their positions and then move to the adjacent seat in the clockwise direction. The game will be completed whenever all the persons return to their original positions. Who will be in the 4th position after the 4th round?

Eight persons-P, Q, R, S, T, U, V and W-who are playing musical chairs, are sitting around a circular table in the same order at equal distances. In each round, first the persons sitting in the opposite seats interchange their positions and then move to the adjacent seat in the clockwise direction. The game will be completed whenever all the persons return to their original positions. Who will be in the 7th position after the 6th round ?

Direction: Study the following information carefully and answer the question given below. Fourteen people are sitting in two parallel rows containing seven people each. P, Q, R, S, T, U and V are sitting in row- 1 facing north direction while A, B, C, D, E, F and G are sitting in row- 2 facing south direction but not necessarily in the same order. Each person sitting in row -1 faces another person sitting in a row -2. T is sitting third to the right of Q. P is facing the person who is a neighbour of F and B. U who is facing A is sitting at one of the extreme ends. G, who is sitting third to the right of B is a neighbour of A. The number of persons sitting between S and R is the same as the number of persons sitting between P and V. E is facing V. R who is not facing C is sitting 2nd to the right end. Who is facing S?

Direction: Study the following information carefully and answer the question given below. Fourteen people are sitting in two parallel rows containing seven people each. P, Q, R, S, T, U and V are sitting in row- 1 facing north direction while A, B, C, D, E, F and G are sitting in row- 2 facing south direction but not necessarily in the same order. Each person sitting in row -1 faces another person sitting in a row -2. T is sitting third to the right of Q. P is facing the person who is a neighbour of F and B. U who is facing A is sitting at one of the extreme ends. G, who is sitting third to the right of B is a neighbour of A. The number of persons sitting between S and R is the same as the number of persons sitting between P and V. E is facing V. R who is not facing C is sitting 2nd to the right end. Which of the following is incorrect?

Direction: Study the following information carefully and answer the question given below. Fourteen people are sitting in two parallel rows containing seven people each. P, Q, R, S, T, U and V are sitting in row- 1 facing north direction while A, B, C, D, E, F and G are sitting in row- 2 facing south direction but not necessarily in the same order. Each person sitting in row -1 faces another person sitting in a row -2. T is sitting third to the right of Q. P is facing the person who is a neighbour of F and B. U who is facing A is sitting at one of the extreme ends. G, who is sitting third to the right of B is a neighbour of A. The number of persons sitting between S and R is the same as the number of persons sitting between P and V. E is facing V. R who is not facing C is sitting 2nd to the right end. If all the people in row 1 sit in alphabetical order starting from left end then how many people sit at their original place?

PEARSON IIT JEE FOUNDATION-WAVES MOTION AND SOUND -Level 2
  1. The frequency of a tuning fork is 350 Hz . Find how many vibrations i...

    Text Solution

    |

  2. A SONAR system fixed in a submarine operates at a frequency 50 kHz. It...

    Text Solution

    |

  3. The fundamental frequency of an open is 450 Hz and that of a closed pi...

    Text Solution

    |

  4. How does a stethoscope help a doctor to hear the sound of a patient's ...

    Text Solution

    |

  5. A man standing at a point on the line joining the feet of two cliffs f...

    Text Solution

    |

  6. Do the velocity , frequency and wavelength of a sound wave increase , ...

    Text Solution

    |

  7. A string vibrating with a fundamental frequency of 8 Hz has tension T(...

    Text Solution

    |

  8. S.P. Balasubrahmanyam is conducting a musical night in an open auditor...

    Text Solution

    |

  9. What should the length of an open pipe be if it is to resonate with a ...

    Text Solution

    |

  10. Two trains A and B are approaching each other with 108 km h^(-1) and 1...

    Text Solution

    |

  11. Under similar conditions of temperature and pressure , two gases (x an...

    Text Solution

    |

  12. Why cannot transverse waves be produced in air ?

    Text Solution

    |

  13. The driver of a car approaching a cliff with a uniform velocity of 15 ...

    Text Solution

    |

  14. A rope of length of 2m is tied between two ends . If the speed of tran...

    Text Solution

    |

  15. Two diatomic gases A and B of masses 12 g and 32g occupy volumes of 12...

    Text Solution

    |

  16. In a loud - speaker , sound is produced by a diaphragm on supplying el...

    Text Solution

    |

  17. In a certain experiment , a sound wave was observed to have undergone ...

    Text Solution

    |

  18. A source of wave vibrates with a frequency 500 Hz. The wave travels 33...

    Text Solution

    |

  19. The distance between two adjacent particles which are in the same phas...

    Text Solution

    |

  20. The average speed of the bob of a seconds pendulum is 2 m s^(-1) . Det...

    Text Solution

    |