Properties of matter questions | form five Physics
Find Properties of matter examination questions, form five Physics in acaproso.com
| # | Question |
|---|---|
| 1 | A spring 60cm long is stretched by 2cm for the application of load of 200g. What will be the length when a load of 500g is applied? Mathematical Calculation |
| 2 | Calculate the percentage increase in length of a wire of diameter 2.2mm stretched by a load of 100kg.(Young`s modulus of wire is 12.5x1010Nm-2. Mathematical Calculation |
| 3 | Define tensile stress and tensile strain. Short answers |
| 4 | Calculate the work done in a stretching copper wire of 100cm long and 0.03cm2 cross-sectional area when a load of 120N is applied. Mathematical Calculation |
| 5 | Mention any three factors on which modulus of elasticity of a material depends. Short answers |
| 6 | A 45 kg traffic light is suspended with two steel wires of equal lengths and radii of 0.5cm. If the wires make an angle of 15o with the horizontal, what is the fractional increase in their length due to the wieight of the light? Mathematical Calculation |
| 7 | Define free surface energy in relation to the liquid surface. Short answers |
| 8 | Explain what will happen if two bubbles of unequal radii are joined by a tube without bursting. Short answers |
| 9 | A spherical drop of mercury of radius 5mm falls on the ground and breaks into 1000 droplets. Calculate the done in breaking the drop. Mathematical Calculation |
| 10 | Define the following terms
Short answers |
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