WAEC Past Questions and Answers - Page 3232

A fish inside a pond appears to be at a depth of 1.5m when viewed vertically from above. The refractive index of the water in the pound is 1.3. Calculate the apparent displacement of the fish

The diagram above illustrates an electromagnetic wave travelling with speed 3.0 x 10⁸ms^-1. Calculate the wave length of the wave

The functional difference between a lens and a mirror is that a lens

Which of the following relations about the focal length f_o of the objective and focal length f_e of the eye piece of a compound is correct?

Refraction of lights differs from reflection in that, in refraction i. at least two media are involved ii. there is a change in the direction of the ray iii. the speed of the ray changes. Which of the statements above is/are correct?