Home
Class 11
PHYSICS
A lead ball moving with a velocity v str...

A lead ball moving with a velocity v strikes a wall and stops. If 50% of its energy is converted into heat. The increase in temperature is (Specific heat of lead is S)

A

`(2V^(2))/(JS)`

B

`(V^(2))/(4JS)`

C

`(V^(2))/(J)`

D

`(V^(2)S)/(2J)`

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

A lead ball moving with a velocity v strikes a wall and stops. If 50% of its energy is onverted into heat. The increase in temperature is (Specific heat of lead is S)

A lead bullet of mass 50g moving with a velocity of 100ms^(-1) strikes a target. If 40% of the heat produced is retained by the bullet, calculate the rise in its temperature. Specific heat of lead = 0.03 cal g^(-1)K^(-1) and J = 4.2 J cal^(-1)

A lead bullet of 10g travelling at 300m//s strikes against a block of wood and comes to rest. Assuming 50% heat is absorbed by the bullet, the increase in its temperature is (sp-heat of lead is 150J//Kg-K )

Water falls on the ground from 42 m height. It half of loss is potential energy converts into heat, then increase in temperature of water is

A ball moving with a velocity v strikes a wall moving toward the wall with a velocity u. An elastic impact occurs. Determine the velocity of the ball after the impact. What is the cause of the change in the kinetic energy of the ball ? Consider the mass of the wall to be infinitely great.

Water fall from a height 50m, If one third of its mechanical energy converted into heat what will be the rise in temperature of water

A bullet of mass 5g travelling with speed of 210 m/s hits a plank and stops half of its KE is converted to heat of bullet and half is converted to heat of wood (plank) what is change in temperature of bullet ( heat capacity of bullet was 0.30 J/degC )

ERRORLESS -THERMOMETRY, THERMAL EXPANSION AND CALORIMETRY -Calorimetery
  1. The SI unit of mechanical equivalent of heat is

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  4. The SI unit of mechanical equivalent of heat is

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  7. 4200 J of work is required for

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  13. Calorimeters are made of which of the following

    Text Solution

    |

  14. Triple point of water is

    Text Solution

    |

  15. A liquid boils when its vapour pressure equals

    Text Solution

    |

  16. A system is provided with 200 cal of heat and the work done by the sys...

    Text Solution

    |

  17. How many grams of liquid of specific heat 0.2 at temperature 40^(@)C m...

    Text Solution

    |

  18. 1 g of a steam at 100^(@)C melt how much ice at 0^(@)C? (Length heat o...

    Text Solution

    |

  19. 5 g of ice at 0^(@)C is dropped in a beaker containing 20 g of water a...

    Text Solution

    |

  20. One kilogram of ice at 0^(@)C is mixed with one kilogram of water at 8...

    Text Solution

    |