Home
Class 12
PHYSICS
Number of molecules in a volumne of 4 cm...

Number of molecules in a volumne of `4 cm^3` of a perfect monoatomic gas at same temperature T and at a pressure of 2 cm of mercury is close to ? (Given,mean kinetic energy of a molecule (at T) is `4 xx 10^(-14)` erg, ` g = 980 cm//s^2`, density of mercury `= 13.6 g//cm^3`)

A

`4.0 xx 10^18`

B

`4.0 xx 10^16`

C

`5.8 xx 10^16`

D

`5.8 xx 10^18`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • JEE MAINS

    JEE MAINS PREVIOUS YEAR|Exercise Chemistry|1 Videos

  • JEE MAINS 2021

    JEE MAINS PREVIOUS YEAR|Exercise Physics (Section B )|10 Videos

Similar Questions

Explore conceptually related problems

Calculate the number of molecules in 1 cc of an ideal gas at 27^(@)C a pressure of 10 mm of mercury. Mean kinetic energy of molecule at 27^(@)C is 4 xx 10^(-14) erg, the density of mercury is 13.6 g//cc .

Calculate the number of molecules in 1" cm"^(3) of an ideal gas at 27^(@)C and a pressure of 10 mm of mercury. Mean kinetic energy of a molecule at 27^(@)C is 4xx10^(-14) erg, the density of mercury is 13.6 gm/c.c.

Calculate the number of molecules is 2 c.c of the perfect gas at 27^(@)C at a pressure of 10 cm. of mercury. Mean kinetic energy of each molecule at 27^(@)C = 7 xx 10^(-4) erg and acceleration due to gravity = 980 cm s^(-2) .

The number of molecules in 1 cm^(3) of an ideal gas at 0^(@)C and at a pressure of 10^(–5) mm of mercury is –

The number of molecules in a litre of a gas at temperature of 27^(@)C and a pressure of 10^(6) dyne cm^(-2)

Find the number of molecules in 1cm^(3) of an ideal gas at o^(@) and at a pressure of 10^(-5)mm of mercury.

Calculate the number of molecule in 2 xx 10^(-6)m^(3) of a perfect gas at 27^(@) C and at a pressure of 0.01 m of mercury. Mean KE of a molecule at 27^(@) C = 4xx10^(-11) J and g = 9.8 m//s^(2) .

Convert a pressure of 76 cm of mercury into Nm^(-2) . Density of mercury is 13.6 gm//c c .

One litre of a gas, kept at a pressure of 75 cm. of mercury is compressed isothermally. If its volume becomes 750 cm^(3) , then the bulk stress is (g = 10m//s^(2), e_("mercury") = 13.6 g//c.c]

What volume will 250 g of mercury occupy ? (Density of mercury =13.6 g cm^(-3) )

JEE MAINS PREVIOUS YEAR-JEE MAINS 2020-PHYSICS
  1. For a concave lens of focal length f, the relation between object and ...

    Text Solution

    |

  2. Three different process ses that can occur in an ideal monoatomic gas ...

    Text Solution

    |

  3. Number of molecules in a volumne of 4 cm^3 of a perfect monoatomic gas...

    Text Solution

    |

  4. A square loop of side 2a and carrying current I is kept in xz plane wi...

    Text Solution

    |

  5. A physical quantity z depends of four obserbles a, b, c and d, as z = ...

    Text Solution

    |

  6. A shell of relative density 27/9 w.r.t water is just submerged in wat...

    Text Solution

    |

  7. In a resonance tube experiment when the tube is filled with water up t...

    Text Solution

    |

  8. An electrical power line, having a total resistance of 2Omega, deliver...

    Text Solution

    |

  9. A bullet of mass 5 g travelling with a speed of 210 m/s, strikes a fix...

    Text Solution

    |

  10. A force vecF = (hati + 2hatj +3hatk)N acts at a point (4hati + 3hatj -...

    Text Solution

    |

  11. A beam of electrons of energy E scatters from a target having atomic s...

    Text Solution

    |

  12. A particle of mass 220 meV//c^2 collides with a hydrogen tom at rest. ...

    Text Solution

    |

  13. A compound microscope consists of an objective lens of focal length 1 ...

    Text Solution

    |

  14. Two concentric circular coils, C1 and C2, are ploced in the XY plane. ...

    Text Solution

    |

  15. A screw gauge has 50 divisions on its circular scale. The circular sca...

    Text Solution

    |

  16. A sound source S is moving along a straight track with speed v, and is...

    Text Solution

    |

  17. Fig, here shows P and Q as two equally intense coherent sources emitti...

    Text Solution

    |

  18. If the potential energy between two molecules is given by U= -(A)/(r^6...

    Text Solution

    |

  19. An AC circuit has R= 100 Omega , C= 2 mu and L= 80 mH, connected in se...

    Text Solution

    |

  20. Charges Q1 and Q2 are at points A and B of a right angle triangle OAB ...

    Text Solution

    |