- 1 What happens to atoms in glass when exposed to visible light?
- 2 What is the color of visible light of the lowest frequencies?
- 3 What is the main difference between a radio wave and a light wave?
- 4 Which of these electromagnetic waves has comparatively the shortest wavelength?
- 5 How fast does light travel in glass?
- 6 Do atoms ever touch?
- 7 What color bends the most?
- 8 What color has highest frequency?
- 9 What color is lowest in energy?
- 10 What color has lowest frequency?
- 11 What is faster radio waves or light?
- 12 Which type of radiation has the highest frequency?
- 13 What are the 7 electromagnetic waves?
- 14 What are the 7 wavelengths?
- 15 How safe are electromagnetic waves?
What happens to atoms in glass when exposed to visible light?
In a transparent medium, light can cause the electrons in the atom that make up the transparent material to vibrate at the same frequency of the light. The electrons can then give off photons and that energy is transmitted to the next electron. Ultraviolet light is absorbed by glass while visible light passes through.
What is the color of visible light of the lowest frequencies?
The lowest frequency of visible light, which is red, has the least energy.
What is the main difference between a radio wave and a light wave?
Radio waves are much bigger than light waves (in terms of their wavelength). Radio waves are bigger then the size of atoms in a wall, that is why they go through, while light is a small wave and cannot get through the wall.
Which of these electromagnetic waves has comparatively the shortest wavelength?
Gamma rays have the shortest wavelengths (< 0.01 nanometers ) and the most energy of any region of the electromagnetic spectrum. Gamma rays are produces by the hottest objects in the universe, including neutron stars, pulsars, supernova explosions. Gamma rays can also be created by nuclear explosions.
How fast does light travel in glass?
Light travels at approximately 300,000 kilometers per second in a vacuum, which has a refractive index of 1.0, but it slows down to 225,000 kilometers per second in water (refractive index of 1.3; see Figure 2) and 200,000 kilometers per second in glass (refractive index of 1.5).
Do atoms ever touch?
If “touching” is taken to mean that two atoms influence each other significantly, then atoms do indeed touch, but only when they get close enough. With 95% of the atom’s electron probability density contained in this mathematical surface, we could say that atoms do not touch until their 95% regions begin to overlap.
What color bends the most?
Each beam of light, with its own particular wavelength (or color), is slowed differently by the glass. Since violet light has a shorter wavelength, it is slowed more than the longer wavelengths of red light. Consequently, violet light is bent the most while red light is bent the least.
What color has highest frequency?
Violet waves have the highest frequencies.
What color is lowest in energy?
The frequency of the radiation is proportional to its energy and the wavelength of the radiation is inversely proportional to the energy. Red is the lowest energy visible light and violet is the highest. A solid object has color depending on the light it reflects.
What color has lowest frequency?
When it comes to visible light, the highest frequency color, which is violet, also has the most energy. The lowest frequency of visible light, which is red, has the least energy.
What is faster radio waves or light?
Radio waves travel at the speed of light, which is approximately 186,000 miles per second. This means that in the time radio waves travel the length of a football field, light can travel further than all the way around the world.
Which type of radiation has the highest frequency?
Gamma rays have the highest energies, the shortest wavelengths, and the highest frequencies.
What are the 7 electromagnetic waves?
The EM spectrum is generally divided into seven regions, in order of decreasing wavelength and increasing energy and frequency. The common designations are: radio waves, microwaves, infrared (IR), visible light, ultraviolet (UV), X-rays and gamma rays.
What are the 7 wavelengths?
The electromagnetic spectrum includes, from longest wavelength to shortest: radio waves, microwaves, infrared, optical, ultraviolet, X-rays, and gamma-rays.
How safe are electromagnetic waves?
There is no doubt that short-term exposure to very high levels of electromagnetic fields can be harmful to health. Despite extensive research, to date there is no evidence to conclude that exposure to low level electromagnetic fields is harmful to human health.