Home
Class 9
PHYSICS
A pulse is generated at one end of the s...

A pulse is generated at one end of the slinky of length 10 m. The pulse returns back to its point of generation in 10 seconds. The velocity of the pulse in the slinky will be

A

4m/s

B

3 m/s

C

2 m/s

D

1 m/s

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SOUND

    MODERN PUBLICATION|Exercise EXERCISE|137 Videos

  • MOTION

    MODERN PUBLICATION|Exercise EXAMPLE|164 Videos

  • WORK AND ENERGY

    MODERN PUBLICATION|Exercise EXERCISE|191 Videos

Similar Questions

Explore conceptually related problems

A small stone of mass 200 g is tied to one end of a string of length 80 cm . Holding the other end in hand , the stone is whirled into a vertical circle What is the minimum speed that needs to be imparted at the lowest point of the circular path , so that the stone is just able to complete the vertical circle ? what would be the tension at the lowest point of circular path ? (Take g = 10 m//s^(2) ) .

An electron is allowed to move freely in a closed cubic box of length of side 10 cm. The uncertainty in its velocity will be :

A cricket ball is thrown up. It reaches a height 10 m from the point of throw and then reach back to the point of throw. Find the distance and displacement of the ball.

A 14.5 kg mass, fastened to the end of a steel wire of unstretched length 1.0 m, is whirled in a vertical circle with an angular velocity of 2 rev//s at the bottom of the circle. The cross-sectional area of the wire is 0.065 cm^2 . Calculate the elongation of the wire when the mass is at the lowest point of its path.

10,000 small balls, each weighting 1g, strikle one square cm of area per second with velocity 100m/s in a normal direction and rebound with the same velocity. The value of pressure on the surface will be:

The radius of a circle is 13 cm and the length of one of its chord is 10 cm. Find the distance of the chord from the centre.

MODERN PUBLICATION-SOUND-EXERCISE
  1. What is the least time interval required to hear a distinct echo?

    Text Solution

    |

  2. Which of the following statements about sound waves is correct?

    Text Solution

    |

  3. The regions of compressions and rarefractions of sound wave are establ...

    Text Solution

    |

  4. Identify the longitudinal waves from the following.

    Text Solution

    |

  5. A wave source produces 10 oscillations in 100 ms . Find the time perio...

    Text Solution

    |

  6. What does a wave transfer?

    Text Solution

    |

  7. Differentiate between crest and trough.

    Text Solution

    |

  8. Why are cannot hear an echo in a small room?

    Text Solution

    |

  9. Mention the types of mechanical waves. Identify the type which can be ...

    Text Solution

    |

  10. Draw graph for a wave representing wave disturbances and time for a so...

    Text Solution

    |

  11. When does the ear drum of human ear vibrate?

    Text Solution

    |

  12. List three points which an engineer should use while designing an audi...

    Text Solution

    |

  13. A man fires a rifle in front of a cliff and hears the echo after 3 sec...

    Text Solution

    |

  14. Waves of special frequencies are used for cleaning hard to reach place...

    Text Solution

    |

  15. Waves of special frequencies are used for cleaning hard to reach place...

    Text Solution

    |

  16. Waves of special frequencies are used for cleaning hard to reach place...

    Text Solution

    |

  17. In SONAR, we use

    Text Solution

    |

  18. When we change feeble sound to loud we increase its

    Text Solution

    |

  19. A pulse is generated at one end of the slinky of length 10 m. The puls...

    Text Solution

    |

  20. A longitudinal pulse is produced in a slinky. The frequency of the pul...

    Text Solution

    |