Heat And Thermodynamics - Study Mode
[#126] Convert 372°C into Kelvin scale.
Correct Answer
(B) 645 K
[#127] In a thermodynamic system the heat balance is achieved when two bodies reach at-
Correct Answer
(C) The same temperature
[#128] The coefficient of areal expansion of a material is 1.6 × 10 -5 K -1 . Which one of the following gives the value of coefficient of volume expansion of this material?
Correct Answer
(B) 2.4 × 10 -5 K -1
[#129] The brightness of a star depends on its
Correct Answer
(A) size and temperature
[#130] Which of the following is the methods of heat transfer?
Correct Answer
(A) Convection