Home
Class 12
PHYSICS
A solid rectangular sheet has two differ...

A solid rectangular sheet has two different coefficients of linear expansion `alpha_(1) " and " alpha_(2)` along its length and breadth respectively. The coefficient of surface expansion is `("for " alpha_(1)t "<<"1, alpha_(2)t"<<"1)`

A

`(alpha_(1)+alpha_(2))/(2)`

B

`2(alpha_(1)+alpha_(2))`

C

`(4 alpha_(1)alpha_(2))/(alpha_(1)+alpha_(2))`

D

`alpha_(1)+alpha_(2)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2016

    WB JEE PREVIOUS YEAR PAPER|Exercise PHYSICS|40 Videos

  • QUESTION PAPER 2018

    WB JEE PREVIOUS YEAR PAPER|Exercise PHYSICS|40 Videos

Similar Questions

Explore conceptually related problems

Coefficient of x^n in the expansion of (1+x)^(2n) is

The coefficient of x^3 in the expansion of (1-x+x^2)^5 is

The coefficient of x^5 in the expansion of (1+x^2)(1+x)^4 is

Using two different containers A and B, the coefficients of apparent expansion of a liquid are found to be gamma_(1) " and " gamma_(2) respectively. If the coefficient of linear expansion of the material A is alpha , find that of the material B.

Establish the relation between the coefficient of linear expansion and surface expansion of a solid.

Find the coefficient of t^8 in the expansion of (1+2t^2-t^3)^9 .

The sum of the coefficients in the expansion of (1-2x+2x^2)^(2014) is

The coefficient of x^(-10) in the expansion of (x^2-1/x^3)^10 is

WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2017-PHYSICS
  1. Temperature of an ideal gas initially at 27^@C is raised by 6^@C, The ...

    Text Solution

    |

  2. 2 mole of an ideal monatomic gas is carried from a state (P(o),V(0)) t...

    Text Solution

    |

  3. A solid rectangular sheet has two different coefficients of linear exp...

    Text Solution

    |

  4. A positive charge Q is situated at the centre of cube. The electric fl...

    Text Solution

    |

  5. Three capacitors of capacitance 1.0,2.0 and 5.0 muF are connected in s...

    Text Solution

    |

  6. A charge of 0.8 coulomb is divided into two charges Q(1) and Q(2). The...

    Text Solution

    |

  7. In the magnetic field due to a current in a straight wire segement of ...

    Text Solution

    |

  8. The magnets of two suspended coil galvanometers are of the same streng...

    Text Solution

    |

  9. A proton is moving with a uniform velocity of 10^(6) ms^(-1) along the...

    Text Solution

    |

  10. When the frequency of the AC voltage applied to a series LCR circuit i...

    Text Solution

    |

  11. Six wires. Each of resistancde r. are connected so as to form a tetrah...

    Text Solution

    |

  12. The ratio of the diameter of the sun to the distance between the earth...

    Text Solution

    |

  13. Two monochromatic eoherent light beams A and B have intensities L. and...

    Text Solution

    |

  14. A point object is held above a thin equiconvex lens at its focus. The ...

    Text Solution

    |

  15. A parallel beam of light is incident on a glass prism in the shape of ...

    Text Solution

    |

  16. The de Broglie wavelenght of an electron is 0.4xx10^(-10) m when it ki...

    Text Solution

    |

  17. A unit negative charge with mass M resides at the midpoint of the stra...

    Text Solution

    |

  18. A particle with charge Q coulomb, tied at the end of an inextensible s...

    Text Solution

    |

  19. A bullet of mas 4.2xx10^(-2)kg moving at a speed of 300 ms^(-1) gets ...

    Text Solution

    |

  20. A particle with charge e and mass m. moving along the X-axis with a un...

    Text Solution

    |