a) difference in K.E and P.E b) sum of P.E and K.E c) difference in T.E and P.E d) difference in K.E and T.E TEXTBOOK EVALUATION . In the Given diagram, the possible direction of heat energy transformation is II. Fill in the blanks: . The value of Avogadro number .
The temperature and heat are quantities . One calorie is the amount of heat energy required to raise the temperature of of water . . According to Boyle’s law, the shape of the graph between pressure and reciprocal of volume is III.
State whether the following statements are true or false, if false explain why? . For a given heat in liquid, the apparent expansion is more than that of real expansion. .
Thermal energy always flows from a system at higher temperature to a system at lower temperature. . According to Charles’s law, at constant pressure, the temperature is inversely proportional to volume. IV.
Match the items in column-I to the items in column-II Column-I Column-II . Linear expansion - (a) change in volume . Superficial expansion - (b) hot body to cold body . Cubical expansion - (c) .
X - JK - . Heat transformation - (d) change in length . Boltzmann constant - (e) change in area V. Assertion and reason type questions a.
Both the assertion and the reason are true and the reason is the correct explanation of the assertion. b. Both the assertion and the reason are true but the reason is not the correct explanation of the assertion. c.
Assertion is true but the reason is false. d. Assertion is false but the reason is true. .
Assertion: If one end of the rod is heated,other end also is heated. Reason: Heat always flows from a region of lower temperature to higher temperature of the rod. . Assertion: Gas is highly compressible than solid and liquid Reason: Interatomic or intermolecular distance in the gas is comparably high.
VI. Answer in briefly . Define one calorie. .
Distinguish between linear, arial