Home
Class 11
PHYSICS
The weight of a person is 60 kg . If he ...

The weight of a person is 60 kg . If he gets 105 calories heat through food and the efficiency of his body is 28%, then upto how much height he can climb (approximately)

A

100 mm

B

200 mm

C

400 mm

D

1000 mm

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY

    ERRORLESS |Exercise Critical Thinking|27 Videos

  • THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY

    ERRORLESS |Exercise Graphical Questions|14 Videos

  • THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY

    ERRORLESS |Exercise Thermal Expansion|34 Videos

  • THERMODYNAMICS

    ERRORLESS |Exercise All Questions|304 Videos

  • TRANSMISSION OF HEAT

    ERRORLESS |Exercise ET Self Evaluation Test|23 Videos

Similar Questions

Explore conceptually related problems

The weight of a person is 60 kg . If he gets 10 calories of heat through food and the efficiency of his body is 28% , then upto what height he can climb? Take g = 10m s^(-2)

A worker eats a dish of icecream which funishes 200 kcal of heat. If the efficiency of the body is 25%, then calculate the height to which the worker can carry a weight of 56 kg using the energy of icecream. Worker's own weight is 70 kg. Given J = 4.2 J cal^(-1) .

A man got 100 Kcal heat from its lunch. Its efficiency is only 25% and mass of man is 60 Kg. Calculate the height he can acquire

A man of 60 kg gains 1000 cal of heat by eating 5 mangoes. His efficiency is 29% . To what height he can jump by using this energy?

Neelkamal took 200 g of water and wanted to boil it from 25^(@)C . He took a gas burner that supplies 250 calories in one second, to heat the water. If the thermal efficiency of the burner is 80% , then how much time will be take to boil water ?

A bread gives a boy of mass 40 kg an energy of 21 kJ. If the efficiency is 28%, then the height that can be climbed by him using this energy, is :

A man of 60kg gains 1000 cal of heat by eating 5 mangoes. His efficiency is 56%. To what height he can jump by using this energy?

A person goes to a market between 4 p.m. and 5 p.m. When he comes back, he finds that the hour hand and the minute hand of the clock have interchanged their positions. For how much time (approximately) was he out of his house?

Morning breakfast gives 5000 cal to a 60 kg person.The efficiency of person is 30%. The height upto which the person can climb up by using energy obtained from breakfast is

ERRORLESS -THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY -Calorimetery
  1. In supplying 400 calories of heat to a system, the work done will be

    Text Solution

    |

  2. 0.93 watt - hour of energy is supplied to a block of ice weighing 10 g...

    Text Solution

    |

  3. The weight of a person is 60 kg . If he gets 105 calories heat through...

    Text Solution

    |

  4. The temperature of Bhakhra dam water at the ground level with respect ...

    Text Solution

    |

  5. The height of a waterfall is 84 metre . Assuming that the entire kinet...

    Text Solution

    |

  6. Hailstone at 0^@C from a height of 1 km on an insulating surface conve...

    Text Solution

    |

  7. The SI unit of mechanical equivalent of heat is

    Text Solution

    |

  8. Of two masses of 5 kg each falling from height of 10 m , by which 2 kg...

    Text Solution

    |

  9. A lead ball moving with a velocity v strikes a wall and stops. If 50% ...

    Text Solution

    |

  10. The SI unit of mechanical equivalent of heat is

    Text Solution

    |

  11. The height of a waterfall is 84 metre . Assuming that the entire kinet...

    Text Solution

    |

  12. A block of mass 100g slides on a rough horizontal surface, if the spee...

    Text Solution

    |

  13. 4200 J of work is required for

    Text Solution

    |

  14. At 100^(@)C , the substance that causes the most severe burn, is

    Text Solution

    |

  15. In a water-fall the water falls from a height of 100 m . If the entire...

    Text Solution

    |

  16. A lead bullet of 10g travelling at 300m//s strikes against a block of ...

    Text Solution

    |

  17. The temperature at which the vapour pressure of a liquid becomes equal...

    Text Solution

    |

  18. When the pressure on water is increased the boiling temperature of wat...

    Text Solution

    |

  19. Calorimeters are made of which of the following

    Text Solution

    |

  20. Triple point of water is

    Text Solution

    |