Home
Class 12
PHYSICS
The mass number of a nucleus is...

The mass number of a nucleus is

A

always less than its atomic number

B

sometimes more that and sometimes equal to its atomic number

C

Sometimes equal to its atomic number

D

Both (b) and (c )

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MODEL TEST PAPER 3

    KCET PREVIOUS YEAR PAPERS|Exercise (PHYSICS)|60 Videos

  • MODEL TEST PAPER 5

    KCET PREVIOUS YEAR PAPERS|Exercise Physics|60 Videos

Similar Questions

Explore conceptually related problems

From the relation R=R_(0)A^(1//3) , where 'R_(0)' is a constant and 'A' is the mass number of a nucleus, show that the nuclear matter density is nearly constant.

The volume of a nucleus is directly proportional to (where A = mass number of the nucleus)

In an atom, the mass number of an atom is equal to the number of ____.

Given the mass of iron nucleus as 55.85u and A=56, find the nuclear density?

The average binding energy of a nucleus is

What is the relation between the radius of a nucleus and mass number of the corresponding element ?

If M be the mass of the nucleus and m be the sum of the individual masses of the nucleons forming the nucleus, then :

The radius of nucleus is R=R_(0)A^(1//3) where A is the mass number of the atom. What are the dimensions of R_(0) ?

KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 4-PHYSICS
  1. The refractive index of glass is 1.50 and the speed of light in air is...

    Text Solution

    |

  2. If the distance between nuclei is 2xx10^(-10) cm. The density of nucle...

    Text Solution

    |

  3. The mass number of a nucleus is

    Text Solution

    |

  4. In the reaction represented by, ""(Z)""^(A)Xto.""(Z-2)""^(A-4)Yto.""...

    Text Solution

    |

  5. The relation between half-life T of a radioactive sample and its mean ...

    Text Solution

    |

  6. if the electron in hydrogen orbit jumps form third orbit to second or...

    Text Solution

    |

  7. The radius of the first orbit of electron in hydrogen atom (e=1.6xx10^...

    Text Solution

    |

  8. The frequency range of ultraviolet radiation is

    Text Solution

    |

  9. Light of wavelength 4700Å is incident on a metal plate whose work func...

    Text Solution

    |

  10. Threshold wavelength for photoelectric emission from a metal surface i...

    Text Solution

    |

  11. In frequency modulated wave

    Text Solution

    |

  12. When a p-n junction diode is reverse biased, the flow of current acros...

    Text Solution

    |

  13. Two coils of self-inductance L(1) and L(2) are placed closed to each o...

    Text Solution

    |

  14. What is the order of drift velocity of electrons?

    Text Solution

    |

  15. The wings of an aeroplane are I0m apart. The plane is moving horizonta...

    Text Solution

    |

  16. The natural frequency of a L - C circuit is equal to

    Text Solution

    |

  17. A 100 pF capacitor is connected to a 230 V, 50 Hz a.c. source, the r.m...

    Text Solution

    |

  18. A step up transformer operates on a 230 V line and a load current of 2...

    Text Solution

    |

  19. A straight conductor of length 0.4 m is moved with a speed of 7 m/s pe...

    Text Solution

    |

  20. Best method to increase the sensitivity of the moving coil galvanomete...

    Text Solution

    |