Home
Class 12
PHYSICS
If a gas is compressed adiabatically...

If a gas is compressed adiabatically

A

the internal energy of gas increases

B

the internal energy of gas decreases

C

the internal energy of gas does not change

D

the work done is positive

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 2

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MCQs|44 Videos
  • MOCK TEST 4

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MCQs|45 Videos

Similar Questions

Explore conceptually related problems

When a gas is compressed adiabatically and reversibly, the final temperature is -

A perfect gas is compressed adiabatically. In that state the value of Delta P//P will be :

When an ideal gas is compressed adiabatically and reversibly, the final temperature is:

When an ideal gas is compressed adiabatically , its temperature rises the molecules on the average have more energy than before. The kinetic energy increases,

A given ideal gas with gamma= (C_(P))/(C_(5)) =1.5" is at a temperature T.If the gas is compressed adiabatically to one-fourth of its initial volume,final temperature will be.

When an ideal gas at pressure P, temperature T and volume V is isothermally compressed to V/n. its pressure becomes P_i . If the gas is compressed adiabatically to V/n, its pressure becomes P_a . The ratio P_i//P_a is: ( l = C_P //C_V )

Calculate the work done when one mole of a perfect gas is compressed adiabatically. The initial pressure and volume of the gas are 105 N//m^2 and 6 litres respectively. The final volume of the gas are 2 litre. Molar specific heat of the gas at constant volume is 3R//2 .

Calculate the work done when 1 mole of a perfect gas is compressed adiabatically . The initial pressure and volume of the gas are 10^(5)N//m^(2) and 6 litre respectively. The final volume of the gas is 2 litres. Molar specific heat of the gas at constant volume is (3R)/(2) [(3)^(5//3) = 6.19]

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MOCK TEST 3-MCQs
  1. A point mass of 1 kg collides elastically with a stationary point mass...

    Text Solution

    |

  2. An organ pipe closed at one end restonates with a tuning fork of frequ...

    Text Solution

    |

  3. If a gas is compressed adiabatically

    Text Solution

    |

  4. A metallic surface is irradiated by a monochromatic light of frequency...

    Text Solution

    |

  5. A semicirxular wire of radius a having lambdaas charge per unit length...

    Text Solution

    |

  6. A ray OP of monochromatic light is incident on the face AB of prism AB...

    Text Solution

    |

  7. The kinetic energy K of a particle moving along a circle of radius R d...

    Text Solution

    |

  8. The motion of a particle varies with time according to the relation y=...

    Text Solution

    |

  9. The equation of a wave travelling on a stretched string is y = 4 sin 2...

    Text Solution

    |

  10. If two slightly, different wavelengths are present in the light used i...

    Text Solution

    |

  11. A student performed the experiment of determination of focal length of...

    Text Solution

    |

  12. A thin wire of length L is connected to two adjacent fixed points and ...

    Text Solution

    |

  13. An (alpha)-particle and a proton are both simultaneously projected in ...

    Text Solution

    |

  14. What is the electric potential at a point P, distance r from the mid-p...

    Text Solution

    |

  15. A ball is dropped from a height of 20m above the surface of water in a...

    Text Solution

    |

  16. Choose the correct statement.

    Text Solution

    |

  17. The real angle of dip, if a magnet is suspended at an angle of 30^(@) ...

    Text Solution

    |

  18. A tank is filled with water of density 10^(3)kg//m^(3) and oil of dens...

    Text Solution

    |

  19. The graph between angle of deviation (delta) and angle of incidence (i...

    Text Solution

    |

  20. Two satellites of same are orbiting round the earthh at heights of r(1...

    Text Solution

    |