# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1552 - 1556 of 2320

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## Question number: 1552

» Atoms and Nuclei » Mass-Energy Relation

### Question

If mass equivalent to one mass of proton is completely converted into energy then determine the energy produced?

### Choices

Choice (4) | Response | |
---|---|---|

a. | 911.49 MeV | |

b. | 931.49 MeV | |

c. | 431.49 MeV | |

d. | 731.49 MeV |

## Question number: 1553

» Thermodynamics » Concept of Temperature

### Question

An ideal heat engine working between temperature *T* and r, has an efficiency η, the new efficiency of engine if both the source and sink temperature are doubled, will be

### Choices

Choice (4) | Response | |
---|---|---|

a. | 2η | |

b. |
| |

c. | 3η | |

d. | η |

## Question number: 1554

» Atoms and Nuclei » Binding Energy Per Nucleon

### Question

If the mass of _{3} Li ^{7} is 7.0163 a. m. u. , the binding energy per nucleon for _{3} Li ^{7} will be,

### Choices

Choice (4) | Response | |
---|---|---|

a. | zero | |

b. | 39.25 MeV | |

c. | 5.6 MeV | |

d. | 1 MeV |

## Question number: 1555

» Atoms and Nuclei » Nuclear Fission and Fusion

### Question

Fission of nuclei is possible because the binding energy per nucleon in them,

### Choices

Choice (4) | Response | |
---|---|---|

a. | Increases with mass number at high mass number | |

b. | Decreases with mass number at low mass numbers | |

c. | Increases with mass number at low mass numbers | |

d. | Decreases with mass number at high mass number |

## Question number: 1556

» Kinetic Theory of Gases » Kinetic Energy and Temperature

### Question

To double the volume of a given mass of an ideal gas at 27ºC keeping the pressure constant, one must raise the temperature in degree centigrade to

### Choices

Choice (4) | Response | |
---|---|---|

a. | 327 | |

b. | 54 | |

c. | 600 | |

d. | 627 |