Home
Class 11
CHEMISTRY
The energy released during the fussion o...

The energy released during the fussion of 1 kg uranium is a)`9 xx 10^(23) "ergs"` b)`9.0 xx 10^(10) "ergs"` c)`9.0 xx 10^(18) "ergs"` d)`9.0 xx 10^(8) "ergs"`

A

`9.0xx10^(20)` erg

B

`9.0xx10^(10)` erg

C

`9.0xx10^(18)` erg.

D

`9.0xx10^(8)` erg

Text Solution

Verified by Experts

The correct Answer is:
`(a)`
Energy released per `g` fo `U^(235) = 9xx10^(7) kJ`
Promotional Banner

Topper's Solved these Questions

  • RADIO ACTIVITY

    P BAHADUR|Exercise Exercies 3B|13 Videos

  • RADIO ACTIVITY

    P BAHADUR|Exercise Exercies 4|17 Videos

  • RADIO ACTIVITY

    P BAHADUR|Exercise Exercies 2|19 Videos

  • MOLE AND EQUIVALENT CONCEPT

    P BAHADUR|Exercise Exercise 9 Advanced numerical problems|61 Videos

  • REDOX REACTIONS

    P BAHADUR|Exercise Exercise(8) Statement:Explanation type problems|19 Videos

Similar Questions

Explore conceptually related problems

A radioactive element has half life of 4.5 xx 10^(9) years. If 80 g of this was taken, the time taken for it to decay to 40 g will be a. 2.25 xx 10^(9) years b. 4.50 xx 10^(9) years c. 6.75 xx 10^(9) years d. 8.75 xx 10^(9) years

Assume that a neutron breaks into a proton and an electron. The energy released during this process is (mass of neutron = 1.6725 xx 10^(-27) kg, mass of proton = 1.6725 xx 10^(-27) kg , mass of electron = 9 xx 10^(-31) kg)

Which of the following contain 9 xx 10^(23) oxygen atoms?

Radium has atomic weight 226 and half life of 1600 years. The number of disintegrationsd produced per second from one gram is a. 4.8 xx 10^(10) b. 3.7 xx 10^(20) c. 9.2 xx 10^(6) d. 3.7 xx 10^(8)

A sample of rock moon contains equal numbers of atoms of uranium and lead t_(1//2) for U is 4.5 xx 10^(9) years. The age of rock would be a. 4.5 xx 10^(9) years b. 9.0 xx 10^(9) years c. 13.5 xx 10^(9) years d. 2.25 xx 10^(9) years

The wave length of a electron with mass 9.1 xx 10^(-31)kg and kinetic energy 3.0 xx 10^(-25)J is

A neutron breaks into a proton and electorn. Calculate the eenrgy produced in this reaction in m_(e) = 9 xx 10^(-31) kg, m_(p) = 1.6725 xx 10^(-27) kg, m_(n) = 1.6747 xx 10^(-27) kg, c = 3xx10^(8)m//sec .

What is the molecular mass of a compound X , if its 3.0115 xx 10^(9) molucules weigh 1.0 xx 10^(-12) g?

Determine de-Broglie wavelength of an electron having kinetic energy of 1. 6 xx 10 ^(-6) erg. (m_c = 9. 11 xx 10^(-28) g, h= 6.62 xx 10^(-27) erg -sec ) .

P BAHADUR-RADIO ACTIVITY-Exercies 3A
  1. Radioactive material is deacign with t(1//2) = 30 days on being, separ...

    Text Solution

    |

  2. A radioactive substance has a constant actity of 2000 disintegraion/mi...

    Text Solution

    |

  3. The energy released during the fussion of 1 kg uranium is a)9 xx 10^(2...

    Text Solution

    |

  4. Consider the following process of decay, .(92)^(234)U rarr .(90)^(23...

    Text Solution

    |

  5. The nucleus and an atom can be assumed to be spherical. The relation ...

    Text Solution

    |

  6. A freshly prepared radioactive source to half-life 2 hr, emits radiati...

    Text Solution

    |

  7. Two radio-isotopes P and Q of atomic weight 10 and 20 respetively are ...

    Text Solution

    |

  8. Half-life on an element is 't' secound. In t//2 second the fraction o...

    Text Solution

    |

  9. A radiioactive element X, decays by the sequence and with half-lives, ...

    Text Solution

    |

  10. A radioactive element X has an atomic number of 100. It decays directl...

    Text Solution

    |

  11. When .(17)Cl^(35) undergoes (n,p) reaction, the radioisotope formed is...

    Text Solution

    |

  12. A radioactive isotope has initial activity of 28 dpm Its activity is r...

    Text Solution

    |

  13. The number of beta- particle emitted during the change .(a)X^(c ) rarr...

    Text Solution

    |

  14. The nucler reacion, .(29)^(63)Cu + .(2)^(4)He rarr .(17)^(37)Cl + 14...

    Text Solution

    |

  15. The mass number of a nuclide is 64. What is its nuclear radius?

    Text Solution

    |

  16. In the nuclear chain ractio: .(92)^(235)U + .(0)^(1)n rarr .(56)^(1...

    Text Solution

    |

  17. One mole of A present in a closed vessel undergoes decay as: .(Z)^(A...

    Text Solution

    |

  18. The half life of .^(131)I is 8day. Given a sample of .^(131)1 at t = 0...

    Text Solution

    |

  19. Number of neutrons i8n a parent nucleus X, which gives .(7)^(14)N afte...

    Text Solution

    |

  20. The activity fo a radio nuclide (.^(100)X) is 6.023 cuire. If the d...

    Text Solution

    |