One special advantage of alcohol over mercury as a thermometric liquid is its?
Heat is radiated by hot objects in the form?
The pressure of one mole of an ideal gas of volume 10\(^-2\) m\(^3\) at a temperature of 27°c is
[molar gas constant = 8.3 J mol\(^{-1}\) k\(^{-1}\)]
A blacksmith heated a metal whose cubic expansivity is 6.3 x 10\(^{-6}\)K\(^{-1}\). The area expansivity is
Two metals P and Q of length l1 and l2 are heated through the same temperature difference. If the ratio of the linear expansivities of P to Q is 2:3 and the ratio of lengths is 3:4. What is the ratio of increase in length of P to Q?