Home
Class 12
PHYSICS
A brass ball of mass 100g is heated to 1...

A brass ball of mass 100g is heated to `100^(@)"C"` and then dropped into 200g of turpentine in a calorimeter at `15^(@)"C"`. The final temperature is found to be `23^(@)"C"`. Take specific heat of brass as `0.092 "cal"//"g"^(@)"C"` and water equivalent of calorimeter as 4g.
Heat lost by the ball is approximately

A

810 cal

B

610 cal

C

710 cal

D

510 cal

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A brass ball of mass 100g is heated to 100^(@)"C" and then dropped into 200g of turpentine in a calorimeter at 15^(@)"C" . The final temperature is found to be 23^(@)"C" . Take specific heat of brass as 0.092 "cal"//"g"^(@)"C" and water equivalent of calorimeter as 4g. The specific heat of turpentine is

A brass ball of mass 100g is heated to 100^(@)"C" and then dropped into 200g of turpentine in a calorimeter at 15^(@)"C" . The final temperature is found to be 23^(@)"C" . Take specific heat of brass as 0.092 "cal"//"g"^(@)"C" and water equivalent of calorimeter as 4g. Heat gained by turpentine and calorimeter is approximately

A ball of mass 20 g and specific heat capacity 0.1 cal//g –.^(@)C . The water equivalent of ball is

When 0.2 kg of brass at 100 .^(@) C is dropped into 0.5 kg of water at 20 .^(@) C ,the resulting temperature is 23 .^(@) C . The specific heat of brass is.

5g of water at 30^@C and 5 g of ice at -29^@C are mixed together in a calorimeter. Find the final temperature of mixture. Water equivalent of calorimeter is negligible, specific heat of ice = 0.5 cal//g-^@C and latent heat of ice =80 cal//g .

In an experiment to determine the specific heat of aluminium, piece of aluminimum weighing 500 g is heated to 100 .^(@) C . It is then quickly transferred into a copper calorimeter of mass 500 g containing 300g of water at 30 .^(@) C . The final temperature of the mixture is found to be 146.8 .^(@) c . If specific heat of copper is 0.093 cal g^-1 .^(@) C^-1 , then the specific heat aluminium is.

Stream at 100^(@)C is passed into 20 g of water at 10^(@)C . When water acquires a temperature of 80^(@)C , the mass of water present will be [Take specific heat of water =1 cal g^(-1) .^(@)C^(-1) and latent heat of steam =540 cal g^(-1) ]

DISHA-HEAT TRANSFER AND NEWTONS LAW OF COOLING-physics
  1. A solid copper sphere (density rho and specific heat c) of radius r at...

    Text Solution

    |

  2. Four rods of identical cross-sectional area and made from the same met...

    Text Solution

    |

  3. Consider two hot bodies B(1) and B(2) which have temperature 100^(@)"C...

    Text Solution

    |

  4. A body cools from 60^@C to 50^@C in 10 min. Find its temperature at ...

    Text Solution

    |

  5. The rates of cooling of two different liquids put in exactly similar c...

    Text Solution

    |

  6. For cooking the food, which of the following type of utensil is most s...

    Text Solution

    |

  7. Two rods A and B are of equal lengths. Their ends of kept between the ...

    Text Solution

    |

  8. While measuring the thermal conductivity of liquids the upper part is ...

    Text Solution

    |

  9. When fluids are heated from the bottom, convection currents are produc...

    Text Solution

    |

  10. If between wavelength lambda andlambda + dlambda, e(lambda) and a(lamb...

    Text Solution

    |

  11. Two thermometers A and B are exposed in sunlight. The bulb of A is pai...

    Text Solution

    |

  12. Two bodies A and B have thermal emissivities of 0.01 and 0.81 respecti...

    Text Solution

    |

  13. A cane is taken out from a refrigerator at 0^(@)"C". The atmospheric t...

    Text Solution

    |

  14. The rate of loss of heat from a body cooling under conditions of force...

    Text Solution

    |

  15. A brass ball of mass 100g is heated to 100^(@)"C" and then dropped int...

    Text Solution

    |

  16. A brass ball of mass 100g is heated to 100^(@)"C" and then dropped int...

    Text Solution

    |

  17. A brass ball of mass 100g is heated to 100^(@)"C" and then dropped int...

    Text Solution

    |

  18. Assertion : The equivalent thermal conductivity of two plates of same ...

    Text Solution

    |

  19. Assertion : Coefficient of absorption of radiation of an ideal black ...

    Text Solution

    |

  20. Statement-1 : As temperature of a black body is raised, wavelenght cor...

    Text Solution

    |