Home
Class 12
PHYSICS
A road runs midway between two parallel ...

A road runs midway between two parallel rows of buildings. A motorist moving with a speed of 36 km/hr sounds the horn. He hears the echo one second after he has sounded the horn. Then the distance between the two rows of buildings, will be (Velocity of sound is 330 m/s)

A

300 m

B

150 m

C

165 m

D

330 m

Text Solution

Verified by Experts

The correct Answer is:
D
`2x = vt`
`2x = 330 xx 1 = 330 m`
Promotional Banner

Topper's Solved these Questions

  • SURFACE TENSION

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Question Given in MHT-CET )|31 Videos

  • WAVE THEORY OF LIGHT

    NIKITA PUBLICATION|Exercise Multiple Choice Questions|303 Videos

Similar Questions

Explore conceptually related problems

A scooterist moving with a velocity of 36 kmph towards a fort wall and blows a horn. If he hears the echo after 3s, then the distance at which horn is blown from the wall is (Velocity of sound in air = 340 m/s)

A man standing between two parallel cliffs fires a gun. If he hears the first echo after 2s and the next after 5s, the distance between the two cliffs is (Velocity of sound in air is 350 m/s)

A man is driving a car at a speed of 72 kmph towards a hill. He sounds the horn and hears its echo after 2 s. At what distance from the hill the horn was sounded. (Velocity of sound = 340 ms^(-1) )

A man fires a gun while standing between two parallel hills. If he hears the first echo after 2 s and the second echo 3 s after the first echo, then calculate the distance between the hills the velocity of sound is 330 m/s.

A man standing at a point on the line joining the feet of two cliffs fires a bullet . If he hears the 1^(st) echo after 4 seconds and the next after 6 seconds , then what is the distance between the two cliffs ? (Take the velocity of sound in air as 330 m s^(-1) )

A man stands in front of a hillock and fires a gun. He hears an echo after 1.5 sec . The distance of the hillock from the man is (velocity of sound in air is 330 m/s )

A gun is fired at a distance of 3.32 km from Chauhan. He hears its sound 10 seconds later. Find the speed of the sound.

A man is driving a vechicle at 36 km/hr on a straight road towards a hill. He sounds the horn and hears its echo after 4s At what distance from the hill was the horn sounded ? (Velocity of sound = 340 ms)

NIKITA PUBLICATION-WAVE MOTION-Multiple Choice Questions
  1. A man is driving a vechicle at 36 km/hr on a straight road towards a h...

    Text Solution

    |

  2. A man standing between two parallel cliffs fires a gun. If he hears th...

    Text Solution

    |

  3. A road runs midway between two parallel rows of buildings. A motorist ...

    Text Solution

    |

  4. A man standing in front of mountain at a certain distance beats a drum...

    Text Solution

    |

  5. A soldier fires a bullet towards a fort-wall and hears the first echo ...

    Text Solution

    |

  6. A scooterist moving with a velocity of 36 kmph towards a fort wall and...

    Text Solution

    |

  7. A bat emits ultrasonic waves of frequency 39 kHz and receives and echo...

    Text Solution

    |

  8. An engine approaches a hill with constant speed and where it is at a d...

    Text Solution

    |

  9. A man is driving a car at a speed of 72 kmph towards a hill. He sounds...

    Text Solution

    |

  10. In a constructive intergerence of sound the resultant intensity of sou...

    Text Solution

    |

  11. In a destructive interference of sound the resultant intensity of soun...

    Text Solution

    |

  12. Intensity and loudness of sound depends on

    Text Solution

    |

  13. Intensity of sound wave is

    Text Solution

    |

  14. Decibel is

    Text Solution

    |

  15. A set of tones whose frequencies are integral multiples of the fundame...

    Text Solution

    |

  16. For constructive intergerence of sound waves the mathematical path dif...

    Text Solution

    |

  17. For destructive interference of sound waves the mathematical path diff...

    Text Solution

    |

  18. For constructive interference of sound waves the mathematical phase di...

    Text Solution

    |

  19. For destructive interference of sound waves the mathematical phase dif...

    Text Solution

    |

  20. Three waves producing displacement in the same direction of same frequ...

    Text Solution

    |