Home
Class 12
PHYSICS
When an electron jumps from a level n =...

When an electron jumps from a level `n = 4` to` n = 1`, the momentum of the recoiled hydrogen atom will be

A

`6.8xx10^(-27) kG - ms ^(-1)`

B

`12.75xx10^(-19) kG - ms ^(-1)`

C

`136xx10^(-19) kG - ms ^(-1)`

D

Zero

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 52

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

  • NTA NEET SET 54

    NTA MOCK TESTS|Exercise PHYSICS|44 Videos

Similar Questions

Explore conceptually related problems

In a stationary hydrogen atom, an electron jumps from n = 3 ot n =1. The recoil speed of the hydrogen atom is about

When electron jumps from n=4 level to n=1 level,the angular momentum of electron changes by

In hydrogen atom, electron makes transition from n = 4 to n = 1 level. Recoil momentum of the H atom will be

An electron in H atom makes a transition from n = 3 to n = 1 . The recoil momentum of the H atom will be

When an electron jumps from n=4 to n=2 orbit in a hydrogen atom, we get,

A hydrogen atom emits a photon corresponding to an electron transition from n = 5 to n = 1 . The recoil speed of hydrogen atom is almost (mass of proton ~~1.6 xx 10^(-27) kg) .

In Bohr's atomic model for hydrogen like atoms match the following column : {:(,"Column I",,"Column II"),((A),"If electron jumps from n = 32 to n = 1",(p),"Speed of electron will become 2 times"),((B),"If electron jumps from n = 1 to n = 4",(q),"Kinetic energy of electron will become 4 time"),((C),"If electron jumps from n = 4 to n = 4",(r),"Angular momentum of electron will becomes 2 times"),(,,(s),"Angular velocity of electron will becomes 4 times"),(,,(t),"None"):} .

NTA MOCK TESTS-NTA NEET SET 53-PHYSICS
  1. The ratio of the maximum wavelength of the Lyman series in hydrogen sp...

    Text Solution

    |

  2. When an electron jumps from a level n = 4 to n = 1, the momentum of t...

    Text Solution

    |

  3. Block A is hanging from a vertical spring and is at rest. Block B stri...

    Text Solution

    |

  4. A bar of mass m and length l is hanging from point A as shown in the f...

    Text Solution

    |

  5. The magnitude of resistance X in the circuit shown in the given figure...

    Text Solution

    |

  6. If the extension in both the springs increases from x to x0 on flowing...

    Text Solution

    |

  7. In a region of uniform electric field ofn intencity E, an electron of ...

    Text Solution

    |

  8. A step-down transformer is used on a 1000 V line to deliver 20A at 120...

    Text Solution

    |

  9. What will be the ratio of temperatures of sun and moon if the waveleng...

    Text Solution

    |

  10. The phase difference between voltage and current in an AC circuit cont...

    Text Solution

    |

  11. OABC is a current carrying square loop an electron is projected from t...

    Text Solution

    |

  12. Two projectiles thrown from the same point at angles 60^@ and 30^@ wit...

    Text Solution

    |

  13. The acceleration due to gravity at a height (1//20)^(th) the radius of...

    Text Solution

    |

  14. A radioactive sample at any instant has its disintegration rate 5000 d...

    Text Solution

    |

  15. The temperature of sun is 5500 K and it emits maximum intensity radiat...

    Text Solution

    |

  16. The variation of photocurrent with collector potential for different f...

    Text Solution

    |

  17. An ideal gas is initially at temperature T and volume V . Its volume i...

    Text Solution

    |

  18. A gas can be taken from A to B via two different processes ACB and DB...

    Text Solution

    |

  19. A truck of mass 10 metric ton runs at 3ms^(-1) along a level track and...

    Text Solution

    |

  20. A thin flexible wire of length L is connected to two adjacent fixed po...

    Text Solution

    |