Home
Class 10
PHYSICS
What is meant by Radioactivity ?...

What is meant by Radioactivity ?

Text Solution

Verified by Experts

Radioactivity : The process of spontaneous emission of `alpha,betaandgamma` radiations from the nuclei of atoms during their decay is known as radioactivity.
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

What is meant by aromaticity ?

What is meant by amu ?

What is meant by Cry.

What is meant by activity of a catalyst?

What is meant by an octave.?

What is meant by ramet?

What is meant by adsorption ?

What is meant by diffraction of light?

What is meant by periodicity of properties?

What is meant by contact inhibition ?

ICSE-SAMPLE PAPER 2013-SECTION-II
  1. Explain, why stringed musical instruments, like the guitar, are provid...

    Text Solution

    |

  2. It is observed that the temperature of the surroundings starts falling...

    Text Solution

    |

  3. How is the heat capacity of the body related to its specific heat capa...

    Text Solution

    |

  4. Why does a bottle of soft drink cool faster when surrounded by ice cub...

    Text Solution

    |

  5. A certain amount of heat Q will warm 1 g of material X by 3^(@)C and 1...

    Text Solution

    |

  6. A calorimeter of mass 50 g and specific heat capacity 0.42Jg^(-1)""^(@...

    Text Solution

    |

  7. State Ohm's law and draw a neat labelled circuit diagram containing a ...

    Text Solution

    |

  8. A metal wire of resistance 6Omega is stretched so that its length is i...

    Text Solution

    |

  9. An electrical gadget can give an electric shock to its user under cert...

    Text Solution

    |

  10. What preventive measure provided in a gadget can protect a person from...

    Text Solution

    |

  11. The figure shows a circuit. When the circuit is switched on, the amm...

    Text Solution

    |

  12. The figure shows a circuit. When the circuit is switched on, the amm...

    Text Solution

    |

  13. The figure shows a circuit. When the circuit is switched on, the amm...

    Text Solution

    |

  14. Name the three main parts of a Cathode Ray Tube.

    Text Solution

    |

  15. What is meant by Radioactivity ?

    Text Solution

    |

  16. What is meant by nuclear waste ? State one way for the safe disposal o...

    Text Solution

    |

  17. Suggest one effective way for the safe disposal of nuclear waste.

    Text Solution

    |

  18. Draw neat labeled diagram of a d.c. motor.

    Text Solution

    |

  19. What is the function of the split rings in a d.c. motor ?

    Text Solution

    |

  20. State one advantage of a.c. over d.c.

    Text Solution

    |