lf the temperature of a small quantity of water in a closed container is gradually increased from 0° to 40°C then the density of the water within this range?
A. increases for a while and then decreases B. decreases for a while and then increases C. increases gradually D. decreases gradually E. remains the same Correct Answer: Option A – increases for a while and then...
The temperature of X will rise higher than that of Y only if the?
Two solids P and Q of equal mass are heated to the same temperature and dropped simultaneously into two identical containers X and Y containing equal volumes of water at room temperature. The temperature of X will rise higher than that of Y only if the A. volume of P...
Dry hydrogen is trapped by pellet of mercury in a uniform capillary tube closed at one end. If the length of the column of hydrogen at 27°C is 1.0m. At what temperature will the length be 1.20m?
A. 22.5°C B. 32.4°C C. 77.0°C D. 87.0°C E. 360.0°C Correct Answer: Option D – 87.0°C Explanation V1/T1 = V2/T2 1.0/(273 + 27) = 120/T2 T2 = 360K = 87A cube made of a metal of linear expansivity is warmed through a temperature of t. lf the initial volume of the cube is V what is the increase in volume of the cube?
A. 1/3α Vt B. 1/2α Vt C. α Vt D. 2α Vt E. 3α Vt Correct Answer: Option E – 3α Vt
The absolute zero temperature is defined as the temperature at which?
A. thermal motion ceases B. the temperature of a gas is 273°C C. ice melts D. the volume of a real gas is maximum E. the pressure of a real gas is maximum Correct Answer: Option A – thermal motion ceasesProducts
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