Home
Class 8
PHYSICS
Two identical metallic balls of temperat...

Two identical metallic balls of temperature `20^(@)Cand80^(@)C` are kept in contact with each other. Then the ratio of heat by one ball to heat gained by another ball.

A

`2:1`

B

`3:2`

C

`1:1`

D

`2:3`

Text Solution

Verified by Experts

The correct Answer is:
A
Heat lost by hot body = heat gained by cold body
`("Heat lost by hot body")/("Heat gained by cold body")=1:1`
Hence, the correct option is (c).
Promotional Banner

Topper's Solved these Questions

  • MEASUREMENTS

    PEARSON IIT JEE FOUNDATION|Exercise Level 3|10 Videos

  • SOUND

    PEARSON IIT JEE FOUNDATION|Exercise COMPETITION CORNER Choose the correct option for each question. There is only one correct response for each question . |48 Videos

Similar Questions

Explore conceptually related problems

Two identical metal balls at temperature 200^(@)C and 400^(@)C kept in air at 27^(@)C . The ratio of net heat loss by these bodies is

Ramu took four indentical iron balls of temperature 36^(@)C,10^(@)C,20^(@)C and 32^(@)C .He kept them in physical (thermal) contact with one another .After some time he measured the equilibrium temperautre attained by these four balls .What is the value of the equilibrium temperature?

Two small metallic balls of radii R_(1) & R_(2) are kept in vacuum at a large distance compared to the radii. Find the ratio between the charges on the two balls at which electrostatic energy of the system is minimum. What is the potential difference between the two balls ? total charge of balls is constant.

Two identical ball bearings in contact with each other and resting on a frictionless table are hit heat-on by another ball bearing of the same mass moving initially with a speed V as shown in figure. If the collision is elastic, which of the following (figure) is a possible result after collision ?

Two identical ball bearings in contact with each other and resting on a frictionless table are hit head on by another ball bearing of the same mass moving initially with a speed v, figure,. If the collision is elastic, which of the following is a possible result after collisioin?

Two small identical metal balls of radius rare at a distance a (a lt lt r) from each other and are charged, one with a potential V_(1) and the other with a potential V_(2) . The charges on the balls are:

PEARSON IIT JEE FOUNDATION-MOCK TEST-MULTIPLE CHOICE QUESTIONS
  1. The time period of a pendulum of length 'l' and mass of the bob 'm' is...

    Text Solution

    |

  2. Match the statements of Column A and with those of Column B

    Text Solution

    |

  3. Specific heat capacity of water is

    Text Solution

    |

  4. Arrange the following step in proper sequence for the construction and...

    Text Solution

    |

  5. Two identical metallic balls of temperature 20^(@)Cand80^(@)C are kept...

    Text Solution

    |

  6. The velocity of light through media 'A' and 'B' are V and 2V, respecti...

    Text Solution

    |

  7. An object of height 5 cm is placed in front of a convex lens of focal ...

    Text Solution

    |

  8. An optical instrument is placed inside the box as shown below. The inc...

    Text Solution

    |

  9. Light rays are incident on a plane mirror as shown below. What is the ...

    Text Solution

    |

  10. Which of the following has ammonium chloride as an electrolyte?

    Text Solution

    |

  11. When a neutral body conceded to earth is brought closer to a negativel...

    Text Solution

    |

  12. If it takes 8 min and 20 s for sunlight to reach the Earth, the distan...

    Text Solution

    |

  13. The angle made by the Earth's magnetic field with its vertical compone...

    Text Solution

    |

  14. Match the statements of Column A and with those of Column B

    Text Solution

    |

  15. Following are the steps ro magenetize a steel bar. Arrange them in a s...

    Text Solution

    |

  16. A cyclist moves the first-half of the distance with 10 kmh^(-1) speed ...

    Text Solution

    |

  17. A person on a rotating plateform of radius 7 m, makes 3 rotations in 4...

    Text Solution

    |

  18. A car start moving with uniform acceleration from its position of rest...

    Text Solution

    |

  19. To make two bodies A and B experience an equal acceleration, forces 6 ...

    Text Solution

    |

  20. An object of height 5 cm is placed in front of a convex lens of focal ...

    Text Solution

    |