Home
Class 12
PHYSICS
200 MeV of energy is obtained in the fis...

200 MeV of energy is obtained in the fission of one nucleus of `U^(235)` . A reactor is generating 1000kw of power. The rate of nuclear fission in the reactor is

A

`1000`

B

`2xx10^8`

C

`3.125xx10^(16)`

D

`931`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

200 MeV of energy may be obtained per fission of U^235 . A reactor is generating 1000 kW of power. The rate of nuclear fission in the reactor is.

Explain how in nuclear energy is generated through nuclear fission process.

The energy released by the fission of one uranium atom is 200 MeV. The number of fission per second required to produce 6.4 W power is_____.

Assuming that 200MeV of energy is released per fission of uranium ato, find the number of fission per second required to release one kilowatt power.

In a nuclear reactor .^235U undergoes fission liberating 200 MeV of energy. The reactor has a 10% efficiency and produces 1000 MW power. If the reactor is to function for 10 yr , find the total mass of uranium required.

Scientists are working hard to develop nuclear fusion reactor Nuclei of heavy hydrogen, _(1)^(2)H , known as deuteron and denoted by D , can be thought of as a candidate for fusion rector . The D-D reaction is _(1)^(2) H + _(1)^(2) H rarr _(2)^(1) He + n+ energy. In the core of fusion reactor, a gas of heavy hydrogen of _(1)^(2) H is fully ionized into deuteron nuclei and electrons. This collection of _1^2H nuclei and electrons is known as plasma . The nuclei move randomly in the reactor core and occasionally come close enough for nuclear fusion to take place. Usually , the temperature in the reactor core are too high and no material will can be used to confine the to plasma for a time t_(0) before the particles fly away from the core. If n is the density (number volume ) of deuterons , the product nt_(0) is called Lawson number. In one of the criteria , a reactor is termed successful if Lawson number is greater then 5 xx 10^(14) s//cm^(2) it may be helpfull to use the following boltzmann constant lambda = 8.6 xx 10^(-5)eV//k, (e^(2))/(4 pi s_(0)) = 1.44 xx 10^(-9) eVm In the core of nucleus fusion reactor , the gas become plasma because of

A family uses 8 kW of power. Direct solar energy is incident on the horizontal surface at an average rate of 200 W per square meter. If 20% of this energy can be converted to useful electrical energy, how large an area is needed to supply 8 kW?

Scientists are working hard to develop nuclear fusion reactor Nuclei of heavy hydrogen, _(1)^(2)H , known as deuteron and denoted by D , can be thought of as a candidate for fusion rector . The D-D reaction is _(1)^(2) H + _(1)^(2) H rarr _(2)^(1) He + n+ energy. In the core of fusion reactor, a gas of heavy hydrogen of _(1)^(2) H is fully ionized into deuteron nuclei and electrons. This collection of _1^2H nuclei and electrons is known as plasma . The nuclei move randomly in the reactor core and occasionally come close enough for nuclear fusion to take place. Usually , the temperature in the reactor core are too high and no material will can be used to confine the to plasma for a time t_(0) before the particles fly away from the core. If n is the density (number volume ) of deuterons , the product nt_(0) is called Lawson number. In one of the criteria , a reactor is termed successful if Lawson number is greater then 5 xx 10^(14) s//cm^(2) it may be helpfull to use the following boltzmann constant lambda = 8.6 xx 10^(-5)eV//k, (e^(2))/(4 pi s_(0)) = 1.44 xx 10^(-9) eVm Assume that two deuteron nuclei in the core of fusion reactor at temperature energy T are moving toward each other, each with kinectic energy 1.5 kT , when the seperation between them is large enough to neglect coulomb potential energy . Also neglate any interaction from other particle in the core . The minimum temperature T required for them to reach a separation of 4 xx 10^(-15) m is in the range

Scientists are working hard to develop nuclear fusion reactor Nuclei of heavy hydrogen, _(1)^(2)H , known as deuteron and denoted by D , can be thought of as a candidate for fusion rector . The D-D reaction is _(1)^(2) H + _(1)^(2) H rarr _(2)^(1) He + n+ energy. In the core of fusion reactor, a gas of heavy hydrogen of _(1)^(2) H is fully ionized into deuteron nuclei and electrons. This collection of _1^2H nuclei and electrons is known as plasma . The nuclei move randomly in the reactor core and occasionally come close enough for nuclear fusion to take place. Usually , the temperature in the reactor core are too high and no material will can be used to confine the to plasma for a time t_(0) before the particles fly away from the core. If n is the density (number volume ) of deuterons , the product nt_(0) is called Lawson number. In one of the criteria , a reactor is termed successful if Lawson number is greater then 5 xx 10^(14) s//cm^(2) it may be helpfull to use the following boltzmann constant lambda = 8.6 xx 10^(-5)eV//k, (e^(2))/(4 pi s_(0)) = 1.44 xx 10^(-9) eVm Assume that two deuteron nuclei in the core of fusion reactor at temperature energy T are moving toward each other, each with kinectic energy 1.5 kT , when the seperation between them is large enough to neglect coulomb potential energy . Also neglate any interaction from other particle in the core . The minimum temperature T required for them to reach a separation of 4 xx 10^(-15) m is in the range

ALLEN -TEST PAPER 3-PHYSICS
  1. The radius of the nucleus of ""(8)O^(16) is 3 × 10^(–15) m. Its densit...

    Text Solution

    |

  2. The ratio of the radii of the nuclei ""(13)Al^(27) and ""(52)Te^(125) ...

    Text Solution

    |

  3. 200 MeV of energy is obtained in the fission of one nucleus of U^(235...

    Text Solution

    |

  4. The binding energy per nucleon of O^16 is 7.97 MeV and that of O^17 is...

    Text Solution

    |

  5. A particle is projected at an angle 60^@ from Horizon from ground with...

    Text Solution

    |

  6. The angle of projection at which the horizontal range and maximum heig...

    Text Solution

    |

  7. A particle is projected from ground with initial velocity 3hati + 4hat...

    Text Solution

    |

  8. An aeroplane flying 490 m above the ground level at 100 m/s, releases ...

    Text Solution

    |

  9. A positively charged body is brought near to bob of an uncharged gold ...

    Text Solution

    |

  10. When a soap bubble is charged :-

    Text Solution

    |

  11. A charge Q1 exerts some force on a second charge Q2. If a 3rd charge Q...

    Text Solution

    |

  12. Two particles A and B having equal charges are placed at distance d ap...

    Text Solution

    |

  13. An infinite number of charges, each of magnitude q, are placed along x...

    Text Solution

    |

  14. Two pitch balls carrying equal charges are suspended from a common poi...

    Text Solution

    |

  15. Two spheres A and B are charged with the charges of +10 and +20 coulom...

    Text Solution

    |

  16. The electric field due to a uniformly charged sphere is maximum at :

    Text Solution

    |

  17. Charges q, 2q,3q and 4q are placed at the corners A,B,C and D of a squ...

    Text Solution

    |

  18. A charged oil drop is suspended in a uniform filed of 3xx10^4 v//m so ...

    Text Solution

    |

  19. The electric field at a distance (3R)/2 from the centre of a charged ...

    Text Solution

    |

  20. Four point +ve charges of same magnitude (Q) are placed at four corner...

    Text Solution

    |