Home
Class 11
PHYSICS
Heat given to a system is 35 joules and ...

Heat given to a system is 35 joules and work done by the system is 15 joules. The change in the internal energy of the system will be

A

-50J

B

20 J

C

30 J

D

50 J

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    AAKASH SERIES|Exercise EXERCISE - 3|33 Videos

  • THERMODYNAMICS

    AAKASH SERIES|Exercise EXERCISE - 1B|32 Videos

  • THERMAL PROPERTIES OF MATTER

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL - II) PRACTICE SHEET (ADVANCED) Integer/Subjective Type Questions|2 Videos

  • THERMOMETRY

    AAKASH SERIES|Exercise Numerical Exercise (LEVEL- 1)|11 Videos

Similar Questions

Explore conceptually related problems

A system is provided with 50 J of heat and the work done on the system is 10J .What is the change in internal energy of the system in joules ?

In a process 701 J of heat is absorbed by a system and 394 J of work is done by the system. What is the change in internal energy for the process?

The internal energy of a system changes when it undergoes

To a system 300 joules of heat is given and it - does 60 joules of work. How much does the internal energy of the system change in this process

In a process, a system loses 125 J of heat when 400 J of work was done on the system. Calculate the change in internal energy.

AAKASH SERIES-THERMODYNAMICS-EXERCISE - 2
  1. Heat of 30 kcal is supplied to a system and 4200 J of external work is...

    Text Solution

    |

  2. Air expands from 5 litres to 10 litres at 2 atm pressure. External wor...

    Text Solution

    |

  3. Heat given to a system is 35 joules and work done by the system is 15 ...

    Text Solution

    |

  4. A gas is compressed at a constant pressure of 50 N//m^(2), from a volu...

    Text Solution

    |

  5. 2 kg of air is heated at constant volume. The temperature of air is in...

    Text Solution

    |

  6. Five kilomoles of oxygen is heated at constant pressure. The temperatu...

    Text Solution

    |

  7. Two moles of air, when heated through 10 K expands by an amount of 1.6...

    Text Solution

    |

  8. Four moles of a perfect gas heated to increases its temperature by 2^(...

    Text Solution

    |

  9. Five moles of hydrogen is heated through 20 K under constant pressure....

    Text Solution

    |

  10. Find the change in internal energy in joule, when 10g of air is heated...

    Text Solution

    |

  11. The temperature of 5 moles of a gas at constant volume is changed from...

    Text Solution

    |

  12. When an ideal diatomic gas is heated at constant pressure, the fractio...

    Text Solution

    |

  13. When a monoatomic gas expands at constant pressure, the percentage of ...

    Text Solution

    |

  14. H calories of heat is required to increase the temperature of one mole...

    Text Solution

    |

  15. 1/2 mole of Helium gas is contained in a container at S.T.P. the heat ...

    Text Solution

    |

  16. How much heat energy in joules must be supplied to 14 gms of nitrogen ...

    Text Solution

    |

  17. For a gas, the different between the two specific heats is 4150J Kg^(-...

    Text Solution

    |

  18. The specific heat of air at constant pressure is 1.005 kJ/kg k and the...

    Text Solution

    |

  19. The specific heat of Argon at constant volume is 0.3122 kj/kg K. Find ...

    Text Solution

    |

  20. The volume of 1 kg of hydrogen gas at N.T.P is 11.2 m^(3). Specific he...

    Text Solution

    |