Chapter 13 – Thermal Expansion, Calorimetry and Transmission of Heat
Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 13 - Thermal Expansion, Calorimetry and Transmission of Heat
A clock with a metal pendulum beating seconds keeps correct time at 0∘C. If it loses 12.5 s a day at 25∘C, the coefficient of linear expansion of metal pendulum is
05
Sep
A clock with a metal pendulum beating seconds keeps correct time at 0∘C. If it loses 12.5 s a day at 25∘C, the coefficient of linear expansion of metal pendulum is A clock with a metal pendulum beating seconds keeps correct time at 0∘C. If it loses 12.5 s a day at 25∘C the coefficient [...]
A solid whose volume does not change with temperature floats in a liquid. For two different temperatures t1 and t2 of the liquid, fractions f1 and f2 of the volume of the solid remain submerged in the liquid. The coefficient of volume expansion of the liquid is equal to
05
Sep
A solid whose volume does not change with temperature floats in a liquid. For two different temperatures t1 and t2 of the liquid, fractions f1 and f2 of the volume of the solid remain submerged in the liquid. The coefficient of volume expansion of the liquid is equal to A solid whose volume [...]
An iron tyre is to be fitted onto a wooden wheel 1 m in diameter. The diameter of tyre is 6 mm smaller than that of the wheel. The tyre should be heated so that its temperature increases by a minimum of (the coefficient of volume expansion of iron is 3.6×10^−5 / degree C)
05
Sep
An iron tyre is to be fitted onto a wooden wheel 1 m in diameter. The diameter of tyre is 6 mm smaller than that of the wheel. The tyre should be heated so that its temperature increases by a minimum of (the coefficient of volume expansion of iron is 3.6×10^−5 / degree C) The [...]
The absolute coefficient of expansion of a liquid is 7 times that the volume coefficient of expansion of the vessel. Then the ratio of absolute and apparent expansion of the liquid is
05
Sep
The absolute coefficient of expansion of a liquid is 7 times that the volume coefficient of expansion of the vessel. Then the ratio of absolute and apparent expansion of the liquid is The absolute coefficient of expansion of a liquid is 7 times that the volume coefficient of expansion of the vessel. Then the ratio [...]