Home
Class 11
PHYSICS
A nucleus of uranium decays at rest into...

A nucleus of uranium decays at rest into nuclei of thorium and helium. Then :

A

the helium nucleus has less kinetic energy than the thorium nucleus.

B

the helium has more kinetic energy than the thorium nucleus.

C

the helium nucleus has less momentum than the thorium nucleus.

D

the helium nucleus has more momentum than the thorium nucleus.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • FORCE

    TARGET PUBLICATION|Exercise Evaluation Test|18 Videos
  • FORCE

    TARGET PUBLICATION|Exercise Competitive Theinking (4.10 Conditions of equilibrium of a rigid body)|1 Videos
  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EXCERCISE|156 Videos
  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos

Similar Questions

Explore conceptually related problems

A helium nucleus makes a full rotation in a circle of radius 0.8 metre in two seconds. The value of the magnetic field B at the centre of the circle will be

Find the odd one out: Uranium, radium, helium, plutonium

If the chromosomal number in the nucleus of nucellus cells of an ovule is 24, then what will be the chromosomal number in the nuclei of an egg, secondary nucleus,synergid and antipodal cell of the same ovule?

Find the odd one out: Uranium , plutonium, coal, thorium.

Right or wrong . If wrong , write the correct sentence : In the process of nuclear fusion , helium nuclei fuse together to form hydrogen nuclei .

In an alpha decay, the daughter nucleus produced is itself unstable and undergoes further decay. If the number of parent and daughter nuclei at time t are Nl_p and N_d respectively and their decay constant are lambda_p and lambda_d respectively. What condition needs to be satisfied in order for Nd to remain constant ?

When a nucleus in an atom undergoes a radioactive decay, the electronic energy levels of the atom

Each nuclear fission of uranium nucleus releases _____________ neutrons. A. one B. two C. three D. four

TARGET PUBLICATION-FORCE -Competitive Theinking (Miscellaneous)
  1. The velocity (v) of a particle (under a force F) depends on its distan...

    Text Solution

    |

  2. A body of mass m=10^(2) kg is moving in a medium and experiences a fr...

    Text Solution

    |

  3. A light string passing over a smooth light pulley connects two blocks ...

    Text Solution

    |

  4. A body of mass m = 3.513 kg is moving along the x-axis with a speed of...

    Text Solution

    |

  5. A nucleus of uranium decays at rest into nuclei of thorium and helium....

    Text Solution

    |

  6. If a street light of mass M is suspended from the end of a uniform rod...

    Text Solution

    |

  7. Two spherical bodies of mass M and 5M & radii R & 2R respectively are ...

    Text Solution

    |

  8. A ball is released from the top of a tower. The ratio of work done by ...

    Text Solution

    |

  9. Hammer of mass M strikes a nail of mass 'm' with a velocity 20 m/s int...

    Text Solution

    |

  10. Two particle A and B initially at rest, move towards each other under ...

    Text Solution

    |

  11. Two particles of equal mass have velocities vec v1 = 2 hat i= m//s^-1 ...

    Text Solution

    |

  12. Assertion : If there is no external torque on a body about its centre ...

    Text Solution

    |

  13. Assertion:A table cloth can be pulled from a table without dislodging ...

    Text Solution

    |

  14. A block of mass m is placed on a smooth inclined wedge ABC of inclinat...

    Text Solution

    |

  15. Two blocks of equal mass are released on two smooth sides of a duble i...

    Text Solution

    |

  16. A body of mass (4m) is laying in xy-plane at rest. It suddenly explode...

    Text Solution

    |

  17. A partical of mass m is driven by a machine that deleveres a constant ...

    Text Solution

    |

  18. The mass of hydrogen molecule is 3.32xx10^(-27) kg. If 10^(23) hydroge...

    Text Solution

    |

  19. A lift weighing 250 kg is to be lifted up at a constant velocity of 0....

    Text Solution

    |

  20. It is found that if a neutron suffers an elastic collinear collision w...

    Text Solution

    |