A. Its centre of gravity falls within the base
B. Its centre of gravity falls outside the base
C. It is tilted through an angle of 60°
D. It will never regain its original position
A. Radiation
B. Conduction
C. Convection
D. None of the above
A. Acetylene and hydrogen
B. Acetylene and oxygen
C. Oxygen and ethylene
D. Oxygen and hydrogen
A. Muscle cell
B. Nerve cell
C. Liver cell
D. Kidney cell
A. A device used to maintain a constant temperature of a water bath or an oven
B. A modern type of thermoflask which work on the principle of equipartition of heat energy
C. An instrument by which the accuracy of thermometers determined
D. A device which varies the temperature of a bath
A. 0.5 second
B. 1 second
C. 2 Seconds
D. 3 seconds
A. Heating of mercuric oxide powder
B. Sublimation of iodine
C. Heating a platinum wire in a bunsen flame
D. Evaporation of alcohol