Answers In a sound wave in air, the adjacent rarefactions and compressions are separated by a… In a sound wave in air, the adjacent rarefactions and compressions are separated by a distance of 17cm.… Read More
Answers From the kinetic theory of gases, temperature is a From the kinetic theory of gases, temperature is a A. form of energy and is proportional to the… Read More
Answers A vibrator of frequency 60Hz is used in generating transverse stationary waves in a long… A vibrator of frequency 60Hz is used in generating transverse stationary waves in a long thin wire, If… Read More
Answers When the tension in a sonometer wire is doubled, the ratio of the new frequency… When the tension in a sonometer wire is doubled, the ratio of the new frequency to the initial… Read More
Answers A mass of gas at 7oC and 70cm of mercury has a volume of 1200cm3…. A mass of gas at 7oC and 70cm of mercury has a volume of 1200cm3. Determine its volume… Read More
Answers An electric heater is used to melt a block of ice of mass 1.5kg. If… An electric heater is used to melt a block of ice of mass 1.5kg. If the heater is… Read More
Answers The pressure on the gas of constant gas thermometer at the ice point is 325mm… The pressure on the gas of constant gas thermometer at the ice point is 325mm of mercury and… Read More
Answers A column of air 10.0cm long is trapped in a tube at 27oC. What is… A column of air 10.0cm long is trapped in a tube at 27oC. What is the length of… Read More
Answers Which of the following devices are used to measure pressure? i. Aneroid barometer. ii. hydrometer…. Which of the following devices are used to measure pressure? i. Aneroid barometer. ii. hydrometer. iii. hygrometer. iv.… Read More
Answers A piece of wood of mass 40g and uniform cross-sectional area of 2cm2 floats upright… A piece of wood of mass 40g and uniform cross-sectional area of 2cm2 floats upright in water. The… Read More