Home
Class 11
PHYSICS
In the HCI molecule, the separation betw...

In the `HCI` molecule, the separation between the nuclei of the two atoms is about `1.27Å (1Å = 10^(-10)m)`. Find the approximate location of the c.m of the molecule, given that a chlorine atom is about `35.5` times as massive as a hydrogen atom and nearly all the mass of an atom is concentrated in its nucleus ?

A

`1Å`

B

`2.5Å`

C

`1.24Å`

D

`1.5Å`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • FORCE

    TARGET PUBLICATION|Exercise Competitive Theinking (4.10 Conditions of equilibrium of a rigid body)|1 Videos

  • FORCE

    TARGET PUBLICATION|Exercise Competitive Theinking (Miscellaneous)|31 Videos

  • FORCE

    TARGET PUBLICATION|Exercise Competitive Theinking (4.7 Couple and properties of couple)|1 Videos

  • ELECTROSTATICS

    TARGET PUBLICATION|Exercise EXCERCISE|156 Videos

  • FRICTION IS SOLIDS AND LIQUIDS

    TARGET PUBLICATION|Exercise MCQ (EVALUATION TEST)|21 Videos

Similar Questions

Explore conceptually related problems

The radius of innermost electron orbit of a hydrogen atom is 5.3xx10^(-11)m . What is the radius of orbit in the second excited state?

The radius of 3rd Bohr's orbit in hydrogen atom is 4.782 xx 10^-10 m Calculate the radius of the 5th Bohr orbit.

The radius of the innermost orbit of a hydrogen atom is 5.3xx10^-11m . What are the radii of the n=2 and n=3 orbits?

Gravitational force between two objects separated by 20 cm is 1.0xx10^(-8) N . If total mass of the two objects is 5.0 kg, then the mass of the objects in kg, are

The valence electron in the lithium atom is moving with a speed of 1.8 xx 10^(6)"m/s" in an orbit of radius 152 Å. Neglecting presence of other electrons in the atom, the magnetic moment of the valence electron is

In a hydrogen atom, the distance between proton and electron is 5.3xx10^-11m . The electrical force of attraction between them will be

Radius of 5^(th) Bohr orbit in hydrogen atom is 132.5xx10^-(11)m. What will be the radius of the third orbit in overset@A ?

a copper sphere of mass 2 g contains about 2xx10^22 atoms. The charge on the nucleus of each atom is 29e. What fraction of the electrons must be removed from the sphere to give it a charge of +2muC ?

The time period of revolution of electron in its ground state orbit in a hydrogen atom is 1.6 × 10–16 s. The frequency of revolution of the electron in its first excited state (in s–1) is:

A thin liquid film of thickness 5xx10^-5m is formed between two glasses plates of surface area 1xx10^-2 m^2 . If the surface tension of the liquid is 60xx10^-2N//m the force that is required to separate the glass plates is.

TARGET PUBLICATION-FORCE -Competitive Theinking (4.8 Centre of mass)
  1. Two bodies of masses m(1) and m(2) are separated by a distance R. The ...

    Text Solution

    |

  2. Three identicle particle each of mass 1 kg are placed with their centr...

    Text Solution

    |

  3. Consider a sytem of two particles having masses m(1) and m(2). If the ...

    Text Solution

    |

  4. The centre of mass of a system of three particles of masses 1 g, 2 g a...

    Text Solution

    |

  5. Three particles of the same mass lie in the x-y plane. The (x,y) coord...

    Text Solution

    |

  6. A 'T' shaped object with dimensions shown in the figure, is lying on a...

    Text Solution

    |

  7. A loaded spring gun of mass M fires a bullet of mass m with a velocity...

    Text Solution

    |

  8. Two blocks of masses 10 kg and 4 kg are connected by a spring of negli...

    Text Solution

    |

  9. In the HCI molecule, the separation between the nuclei of the two atom...

    Text Solution

    |

  10. A 2 kg body and a 3 kg body are moving along the x-axis. At a particul...

    Text Solution

    |

  11. Look at the drawing given in the figure which has been drawn with inkl...

    Text Solution

    |

  12. A cricket bat is cut at the location of its centre of mass as shown. T...

    Text Solution

    |

  13. A large number of particles are placed around the origin, each at a di...

    Text Solution

    |

  14. The center of mass of a system of two particles divides the distance b...

    Text Solution

    |

  15. A body A of mass M while falling vertically downwards under gravity br...

    Text Solution

    |

  16. Four bodies of equal mass start moving with same speed as shown in the...

    Text Solution

    |

  17. Two bodies of mass 1 kg and 3 kg have position vectors hat i+ 2 hat j ...

    Text Solution

    |

  18. Centre of mass of 3 particles 10 kg, 20 kg and 30 kg is at (0, 0, 0). ...

    Text Solution

    |

  19. Identify the correct statement for the rotational motion of a rigid bo...

    Text Solution

    |

  20. Distance of the centre of mass of a solid uniform cone from its vertex...

    Text Solution

    |