Physics Past Questions and Answers

Using the circuit diagram above. Calculate the potential difference across the capacitors in parallel

A stone projected horizontally from the top of a tower with a speed of 4 ms\(^{-1}\) lands on the level ground at a horizontal distance of 25 m from the foot of the tower. Calculate the height of the tower. = 10 ms\(^{-2}\)]

(a) Explain diffusion.
(b) Give one reason why the rate of diffusion is higher in gases than in liquids at the same temperature.

State: (a) the difference between plane polarized light and ordinary light;
(b) two uses of polaroids.

(a). State: (a) two applications of electrolysis in an industry
(b) one application of electrolysis in a school laboratory.