Answers If a plastic sphere floats in water (density = 1000kgm3) with 0.5 of its volume… If a plastic sphere floats in water (density = 1000kgm3) with 0.5 of its volume submerged, and floats… Read More
Answers A platinum resistance thermometer wire has a resistance of 5 ohms at 0oC and 5.5… A platinum resistance thermometer wire has a resistance of 5 ohms at 0oC and 5.5 ohms at 100oC.… Read More
Answers A man weight 800N climbs up a stairs to height of 15m in 12.5s. What… A man weight 800N climbs up a stairs to height of 15m in 12.5s. What is the man”s… Read More
Answers A machine requires 1000J of work to raise a load of 500N through a vertical… A machine requires 1000J of work to raise a load of 500N through a vertical distance of 1.5m.… Read More
Answers In an experiment to determine Young’s Modulus for a wire, several loads are attached to… In an experiment to determine Young’s Modulus for a wire, several loads are attached to the wire and… Read More
Answers What is the least possible error in using a rule graduated in centimeters? What is the least possible error in using a rule graduated in centimeters? A. 0.1cm B. 0.5cm C.… Read More
Answers Which of the following affects the period of a simple pendulum? i. mass of the… Which of the following affects the period of a simple pendulum? i. mass of the pendulum bob. ii.… Read More
Answers A boy sits in a train moving with uniform speed on a straight track. If… A boy sits in a train moving with uniform speed on a straight track. If from his outstretched… Read More
Answers A body starts from rest and moves with uniform acceleration of 6ms-2. What distance does… A body starts from rest and moves with uniform acceleration of 6ms-2. What distance does it cover in… Read More
Answers A stone, Q is thrown with velocity U at an angle of 75o to the… A stone, Q is thrown with velocity U at an angle of 75o to the horizontal. Another stone… Read More