Questions about Physics?

Question

I want to ask these quesyions concerning about Light in Physics:

 

1. What are some properties, fundamentals, important things or anything that needs full attention in light?

2. What is there in Infrared? I was basically asked by my Physics professor this question.

3. How do you scale-down? For example 100, how do I scale-down that number?

 

That's all, I hope you ca help me Wyzanters! :)

Answer 1

1. From my memory, Light is both a particle and a wave, this is probably the MOST important thing for light, but there are many others that are built up, for example as a particle light is called a photon, and as a wave, it is related to the electromagnetic spectrum.

 

2. Infrared light is when light has a wavelength slightly larger than visible light. We can only see visible light so we need infrared machines to see that "kind" of light.It has a bigger wavelength, and a smaller frequency. It is also...red.

 

3. Not quite sure what you mean by scale down. But if you mean like on a map...

On a map, lets say there are 2 cities, approximately 5 inches apart. The map scaling is 1 inch=1 mile, so in real life they are not 5 inches, but 5 miles.

 

That is scaling on a map, please go a little more in depth if you still have a problem.