Home
Class 12
PHYSICS
If mass-energy equivalence is taken into...

If mass-energy equivalence is taken into account, when water is cooled to from ice, the mass of water should

A

increase

B

remain unchanged

C

decrease

D

first increase then decrease

Text Solution

Verified by Experts

The correct Answer is:
A

When water is cooled to form ice, the energy is released as heat so mass of water decreases.
Promotional Banner

Topper's Solved these Questions

  • GEOMETRICAL OPTICS

    ALLEN|Exercise EXERCISE - 05 (B)|58 Videos
  • GEOMETRICAL OPTICS

    ALLEN|Exercise EXERCISE - 05 (B) (MCQ)|9 Videos
  • GEOMETRICAL OPTICS

    ALLEN|Exercise EXERCISE - 04 (B)|15 Videos
  • CURRENT ELECTRICITY

    ALLEN|Exercise All Questions|427 Videos
  • GRAVITATION

    ALLEN|Exercise EXERCISE 4|9 Videos

Similar Questions

Explore conceptually related problems

If mass-energy equilivalence is taken into account, when water is cooled to from ice, the mass of water should

If mass-energy equivalence is taken into account , when water is cooled to form ice, the mass of water should :-(Note: The mass energy of an object is the energy equivalent of its mass , as given by E= mc^(2) , where m= mass of object & c = speed of light)

When water is converted into ice, its entropy

Consider the given statements to be true and decide which of the given conclusions/ assumptions can definitely be drawn from the given statements. Statements When water is cooled, it turns into ice. When water is heated, it turns into steam. Conclusions I. Water is a solid. II. Water is a gas.

When heated from 0° to 10°C volume of a given mass of water will :

When water freezes into ice

ALLEN-GEOMETRICAL OPTICS-EXERCISE - 05 (A)
  1. A container with insulating walls is divided into two equal parts by a...

    Text Solution

    |

  2. Which statements is incorrect?

    Text Solution

    |

  3. If mass-energy equivalence is taken into account, when water is cooled...

    Text Solution

    |

  4. Even Carnot engine cannot give 100% efficiency because we cannot

    Text Solution

    |

  5. "Heat cannot by itself flow from a body at lower temperature to a body...

    Text Solution

    |

  6. Which of the following parameters does not characterize the thermodyna...

    Text Solution

    |

  7. A Carnot engine takes 3xx10^6 cal of heat from a reservoir at 627^@C a...

    Text Solution

    |

  8. Which of the following statements is correct for any thermodynamic sys...

    Text Solution

    |

  9. Two thermally insulated vessel 1 and 2 are filled with air at temperat...

    Text Solution

    |

  10. Which of the following is incorrect regarding the first law of thermod...

    Text Solution

    |

  11. The temperature -entropy diagram of a reversible engine cycle is given...

    Text Solution

    |

  12. A system goes from A and B via two processes. I and II as shown in fig...

    Text Solution

    |

  13. Two rigid boxes containing different ideal gases are placed on a table...

    Text Solution

    |

  14. The work of 146 kJ is performed in order to compress one kilo mole of ...

    Text Solution

    |

  15. A Carnot engine, having an efficiency of eta=1//10 as heat engine, is ...

    Text Solution

    |

  16. When a system is taken from state i to state f along the path iaf, it ...

    Text Solution

    |

  17. Two moles of helium gas are taken over the cycle ABCDA, as shown in th...

    Text Solution

    |

  18. Two moles of helium gas are taken over the cycle ABCDA, as shown in th...

    Text Solution

    |

  19. Two moles of helium gas are taken over the cycle ABCDA, as shown in th...

    Text Solution

    |

  20. A diatomic ideal gas is used in a Carnot engine as the working substan...

    Text Solution

    |