Home
Class 12
PHYSICS
A canon shell explodes in mid air, its t...

A canon shell explodes in mid air, its total

A

Momentum increases

B

Momentum decreases

C

Kinetic energy increases

D

Kinetic energy remains unchanged.

Text Solution

Verified by Experts

The correct Answer is:
c
Promotional Banner

Topper's Solved these Questions

  • WORK , POWER , ENERGY AND COLLISIONS

    MODERN PUBLICATION|Exercise Recent Competitive Questions|8 Videos
  • WAVE OPTICS

    MODERN PUBLICATION|Exercise Recent Competitive Questions|18 Videos

Similar Questions

Explore conceptually related problems

The resistance of a conductor is 27 . If it is cut into three equal parts and connected in parallel, them its total resistance is

The resistance of a conductor is 27Omega . If it is cut into three equal parts and connected in parallel, then its total resistance is

A body of mass m at rest gets exploded into 3 parts, having masses in the ratio 1: 1:3. Its two parts having equal masses move at right angles to each other with 15 m/s each. The velocity of third is:

Which element has : (i) two shells, both of which are completely filled with electrons ? (ii) the electronic configuration, 2, 8, 2. (iii) a total of three shells, with four electrons in its valence shell ? (iv) a total of two shells, with three electrons in its valence shell ? (v) Twice as many electrons in its second shell as in its first shell ?

Which element has: a] two shells, each completely filled with electrons? b] the electron configuration 2, 8, 2? c] three shells, with four electrons in the valence shell? d] two shells, with three electrons in its valence shell? e] twice as many electrons in its second shell as in its first shell?

Which elements has Twice as many electrons in its second shell as in its first shell ?

An element Y has three shells with four electrons in the valence shell. Another element X has twice as many electrons in its second shell as in its first shell. i] Identify the elements X and Y. ii] Is there any similarity between the element Y and X? If so, what?

MODERN PUBLICATION-WORK , POWER , ENERGY AND COLLISIONS-Revision Test
  1. A body of volume V and dinsity p is raised through height h in a liqiu...

    Text Solution

    |

  2. A child is swinging a swing. He is one metre above the ground at the l...

    Text Solution

    |

  3. A canon shell explodes in mid air, its total

    Text Solution

    |

  4. A body at rest may have :

    Text Solution

    |

  5. A car is moving along a straight horizontal road with a speed V. If th...

    Text Solution

    |

  6. If a body of mass m moving with velocity v collides with another body ...

    Text Solution

    |

  7. A ball is projected vertically upward with an initial velocity. Which ...

    Text Solution

    |

  8. A motor with an efficiency of 90% drives a pump, whose efficiency is 6...

    Text Solution

    |

  9. A lorry and a car moving with the same kinetic energy are bought to re...

    Text Solution

    |

  10. The power of motor pump is 2 KW. The water raised by the pump per minu...

    Text Solution

    |

  11. The energy required to accelerate a car from rest to 10 ms^(-1) is W. ...

    Text Solution

    |

  12. A man weighing 60 kg lifts a body of 15 kg to a top of building 10 m h...

    Text Solution

    |

  13. A sphere of mass M moving with velocity w collides elastically with an...

    Text Solution

    |

  14. The particle moves along x-axis from x= x1 to x=x2 under the influence...

    Text Solution

    |

  15. An engine pumps a liquid of density ‘d’ continuously through a pipe of...

    Text Solution

    |

  16. A shell at rest at the origin explodes into three pieces of masses 1 k...

    Text Solution

    |

  17. K.E. of body is increased by 300 percent, then percentage increase in ...

    Text Solution

    |

  18. A long spring is stretched by 2 cm having potential energy as V. If th...

    Text Solution

    |

  19. A stationary particle explodes into two particles of masses m1 and m2 ...

    Text Solution

    |

  20. Two masses 1 gm and 4 gm are moving with equal kinetic energies. The r...

    Text Solution

    |