Question

best answer.
1. Which of the following color has the longest wavelength?
A. Red B. Blue C. Green D. Yellow
2. Light travel slowest in​

Answer 1

Answer:

(A) Red

Explanation:

Red has the longest wavelength and violet has the shortest wavelength. When all the waves are seen together, they make white light. Ultraviolet (UV) light—is radiation with a wavelength shorter than that of visible light, but longer than X-rays, in the range 10 nm to 400 .

Answer 2

Answer:

1. (a) red as the speed of the red colour is the fastest.

Explanation:

2. Light travels the slowest in solids and the fastest in vacuum