A ray of light travelling in medium P (μ=1.75) enters medium Q (μ=1.5). (a) Will the ray of light bend towards or away from the normal?
(b) Calculate the speed of light in medium Q, if the speed of the light in vacuum is 3X108m/s

The summit of chimborazo, in ecuador, which is at a distance of about 6,384 km from the earth's center. the bottom of the mariana trench, in the western pacific ocean, which is nearly 6,370 km from the center of the earth. on the surface of earth on the equator line.

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these

Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity