Home
Class 12
PHYSICS
The mass of hydrogen molecule is 3.32xx1...

The mass of hydrogen molecule is `3.32xx10^(-27)` kg. If `10^(23)` hydrogen molecules strick per second at 2 `cm^(2)` area of a rigid wall at an angle of `45^(@)` from the normal and rebound back with a speed of 1000 `ms^(-1)`, then the pressure exerted on the wall is

A

`4.70xx10^(2)N//m^(2)`

B

`2.35xx10^(3)N//m^(2)`

C

`4.70xx10^(3)N//m^(2)`

D

`2.35xx10^(2)N//m`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ATOMIC STRUCTURE & X-RAY

    MOTION|Exercise Exercise - 1|65 Videos

  • ALTERNATING CURRENT

    MOTION|Exercise EXERCISE - 4 (LEVEL - II)|14 Videos

  • CALORIMETRY

    MOTION|Exercise EXERCISE - 3 Section - B|4 Videos

Similar Questions

Explore conceptually related problems

The mass of hydrogen molecule is 3.32xx10^(-27) kg. If 10^(23) hydrogen molecules strick per second at 2 cm^(2) area of a rigid wall at an angle of 45^(@) from the normal and rebound back with a speed of 1000 ms^(-1) , then the pressure ezxeted on the wass is

The mass of hydrogen molecule is 3.23 xx 10^(23) hydrogen molecules strike 2 cm^(2) of a wall per second at an angle of 45^(@) with the normal when moving with a speed of 10^(5) cm s^(-1) , what pressure do they exert on the wall ? Assume collision to be elasitc.

10^(23) molecules of a gas, each having a mass of 3xx10^(-27) kg strike per second per sq. cm. of a rigid will at an angle of 60^(@) with the normal and rebound with a velocity of 500m//s . What is the pressure exerted by the gas molecules on the wall?

A ball of mass 0.1 kg strikes a wall normally with a speed of 30 m s ^( - 1 ) and rebounds with a speed of 20 ms ^( - 1 ) . The impulse of the force exerted by the wall on the ball is

A body of mass 2kg collides with a wall with speed 100 m/s and rebounds with same speed. If the time of contact was 1/50 second, the force exerted on the wall is

A body of mass 2 kg collides with a wall with speed 100 m / s and rebounds with same speed. If the time of contact was 1/50 second, the force exerted on the wall is

A body of mass 3kg moving with speed 5 ms^(-1) , hits a wall at an angle of 60^(@) and return at the same angle. The impact time was 0.2 sec. calculate the force exerted on the wall :

MOTION-ATOMIC STRUCTURE & X-RAY -Exercise - 2
  1. lambda("min") of X-rays depends on :-

    Text Solution

    |

  2. The order of energy of X-ray photon is :-

    Text Solution

    |

  3. If vacuum tube is operated at 6.4 kV, what is the wavelength of X-ray ...

    Text Solution

    |

  4. When electron is incident on molyblednum then by changing energy of el...

    Text Solution

    |

  5. The groud state energy of hydrogen atom is -13.6 eV. When its electron...

    Text Solution

    |

  6. The ionization enegry of the electron in the hydrogen atom in its grou...

    Text Solution

    |

  7. In a Rutherford scattering experiment when a projectile of change Z(1)...

    Text Solution

    |

  8. An electrons of a stationary hydrogen aton passes form the fifth enegr...

    Text Solution

    |

  9. Ratio of longest wavelengths corresponding to Lyman and Balmer series ...

    Text Solution

    |

  10. Electrons with de- Broglie wavelength lambda fall on the target in an ...

    Text Solution

    |

  11. If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd ...

    Text Solution

    |

  12. When an alpha-particle of mass 'm' moving with velocity 'v' bombards o...

    Text Solution

    |

  13. Given the value of Rydberg constant is 10^(7)m^(-1), the waves number ...

    Text Solution

    |

  14. Suppose the charge of a proton and an electron differ slightely. One o...

    Text Solution

    |

  15. An electron beam is acceleration by a potential difference V to hit a ...

    Text Solution

    |

  16. Some energy levels of a molecule are shown in the fig. The ratio of t...

    Text Solution

    |

  17. The ratio of kinetic energy to the total energy of an electron in a Bo...

    Text Solution

    |

  18. An electron from various excited states of hydrogen atom emit radiatio...

    Text Solution

    |

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

    Text Solution

    |

  20. If the series limit frequency of the Lyman series is v(L), then the se...

    Text Solution

    |