UNIPORT Physics 2008/2009 Past Questions

A solid weighs 4,8g in air, 2.8g in water and 3.2g in kerosene. The ratio of density is

The extension in a spring when 5g wt was hung from it was 0.56cm. if Hooke's law is obeyed, what is the extension caused by the load of 20g wt?

The ice and steam points of a mercury-in-glass thermometer of centigrade scale and of uniform bore correspond respectively to 3cm and 9cm lengths of the mercury thread. When the lengths is 12cm, the temperature is

an electric cell has an internal resistance of 2 ohms, a current of 0.5A is found to flow when a resistor of 5 ohms resistance is connected across it. what is the electromotive force of the cell.

A uniform beam HK of length 10m and weighing 200N is supported at both ends. a man weighing 100N stands at a point P on the beam. If the reaction at H and K are respectively 800N and 400N then the distance HP is

What are the units of thermal conductivity?

A 500kg car which was initially at rest and travelled with an acceleration of 5ms². its kinetic energy after 4 seconds was

An air force jet flying with speed of 335m/s went past an anti aircraft gun. How far is the aircraft 5s later when the gun was fired?

In a D.C circuit, a 10 microFarad(μf) capacitor is placed in series with a 10ohm resistor. The total resistance of the combination is

A potential difference of 6V is used to produce a current of 5A for 200s through a beating coil. The heat produced is