Properties of matter questions | form five Physics

(5634) Question Category: Mathematical Calculation

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?

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(5635) Question Category: Short answers

Define free surface energy in relation to the liquid surface.

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(5636) Question Category: Short answers

Explain what will happen if two bubbles of unequal radii are joined by a tube without bursting.

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(5637) Question Category: Mathematical Calculation

A spherical drop of mercury of radius 5mm falls on the ground and breaks into 1000 droplets. Calculate the done in breaking the drop.

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UNSOLVED

(5638) Question Category: Short answers

Define the following terms

  1. Free surface energy
  2. Capillary action
  3. Angle of contact

Answer / Solution

UNSOLVED


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