Tagged Questions
2
votes
1answer
29 views
Relation of color and frequency for the visible spectrum
In this question the OP is looking for a way to see light that is outside of the visible spectrum without using electronic sensors. This got me wondering about the visible spectrum itself. Typically ...
2
votes
2answers
403 views
Is all kind of light same speed?
Is there any speed different between blue or red color? Is there speed different? or there are same speed?
4
votes
2answers
12k views
Why does wavelength change as light enters a different medium?
When light waves enter a medium of higher refractive index than the previous, why is it that:
Its wavelength decreases?
The frequency of it has to stay the same?
