Answer:
Red light
Explanation:
The electromagnetic spectrum classifies all the electromagnetic waves according to their wavelength/frequency. In order from shortest to longest wavelength, we have
Gamma rays
X rays
Ultraviolet
Visible light
Infrared
Microwaves
Radio waves
All of these waves are invisible to human eye, except for the "visible light" part of the spectrum. Waves in the visible light part are perceived by human as different colors, depending on their wavelength. More specifically, they appear as follows:
Violet (380-450 nm)
Blue (450-495 nm)
Green (495-570 nm)
Yellow (570-590 nm)
Orange (590-620 nm)
Red (620-750 nm)
So we see that the longest electromagnetic wave in the visible light part of the spectrum corresponds to red light.
Answer:
Solids
Explanation:
Some of the properties that limit the motion of particles in a solid:
1. The molecules of a solid are very closely packed together thereby limiting their motion compare to molecules of liquid which are free to move and gas with loosely bound molecules.
2. The molecules of a solid are held together by strong inter-molecular force due to very small inter-molecular spaces.
3. The motion of molecules in a solid vibrates only in their mean or fixed positions.
4. The particles are arranged in definite pattern and shape. A solid neither takes on the shape of its container like liquid, nor does it fill the entire volume available like a gas.
5. A solid is rigid and does not flow like liquid and gas.
6. A solid has a definite volume and can not be easily compressed.
1 nanometer =
1 × 10-7 centimeter
Answer:
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