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 EX.II|66 Videos
  • GRAVITATION

    ALLEN|Exercise EXERCISE 4|9 Videos

Similar Questions

Explore conceptually related problems

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

when water is cooled , it changes to ice . Why

Water is cooled from 4^(@)C to 0^(@)C it:

When water is cooled from 4^@C to 0^@C its volume decreases.

The energy equivalent of one atomic mass unit is

Calculate the molecular mass of water.

What is energy equivalent to a 10 mug mass?

The mass of a molecule of water

When you make ice cubes, the entropy of water

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 be itself flow form a body at lower temperature to a body...

    Text Solution

    |

  6. Out of the parameters-temperature, pressure, work and volume, which pa...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. Two thermally insulated vessels (1) and (2) are filled with air at tem...

    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 done in compressing 1 kg-mol of a gas adiabatically is 146 kJ...

    Text Solution

    |

  15. A Connot engine having an efficiency of (1)/(10) as heat engine, is u...

    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 t...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. A diatomic ideal gas is used in a Car engine as the working substance ...

    Text Solution

    |