Candidates showed improvement in the:
- tabulation of data obtained
- recording of measured and calculated values to the required number of decimal places
- plotting of graphs using correct and suitable scales
- stating of precautions in appropriate and acceptable language
- listing of examples of Non-ohmic conductors
- calculation of critical angle using the formula n =
- listing of four applications of plane mirror
- determination of I from the graph when d = 90cm and the value of L corresponding to t = 12s