Well, light has to be concentrated to be hot enough to cook food, kinda like using a magnifying glass to burn stuff, even though normal sunlight can't do it alone.
A2. And don't forget that microwave ovens typically have a power of about 1kW. A 1kW infrared lamp will heat up food pretty fast.
BUT the microwaves penetrate the food to the centre, where they vibrate the water molecule. Whereas you'd have to wait for an IR lamp's heat to be conducted to the centre which will take some time by conduction.
Microwaves are a lot more penetrating than visable light. It gets absorbed easier, wheras light reflects, etc.
Photons associated with visible light have greater energy than those associated with microwaves. Visible light photons have higher frequencies and shorter wavelengths, while microwave photons have lower frequencies and longer wavelengths. The energy of a photon is directly proportional to its frequency, so higher frequency photons carry more energy.
Radio waves have the lowest frequency in all of the electromagnetic spectrum. The next higher frequency energy is microwave, visible light including ultraviolet, infrared, X-ray, then gamma ray
Visible light. It has a higher frequency so more energy.
Visible light, radio waves and microwaves are generally considered safe for humans as they have lower energy levels and do not cause harm to human tissue. However, exposure to ultraviolet (UV), X-rays, and gamma rays can be harmful as they have higher energy levels and can damage cells and tissues. It is important to limit exposure to these higher energy forms of electromagnetic radiation.
Ultraviolet radiation is of higher energy than visible light. Ultra-violet suggests that it is above violet in the spectrum, and the colour violet is the uppermost region of visible light.
Visible light has shorter wavelengths than microwaves. Microwaves, which might be considered the highest energy radio waves, have a longer wavelength (and a lower frequency) than visible light.
Microwaves are generally more dangerous than visible waves because they have higher energy levels that can penetrate deeper into tissues and cause harm. Visible waves, such as light, have lower energy levels and are less likely to cause harm to the body.
Photons associated with visible light have greater energy than those associated with microwaves. Visible light photons have higher frequencies and shorter wavelengths, while microwave photons have lower frequencies and longer wavelengths. The energy of a photon is directly proportional to its frequency, so higher frequency photons carry more energy.
X-rays have higher energy than microwaves.
No. Several other electromagnetic waves - including visible light - have a higher frequency.
No, infrared rays have longer wavelengths and lower frequencies than microwaves. Infrared rays fall between the visible and microwaves on the electromagnetic spectrum.
Microwaves have more energy than radio waves. They have shorter wavelengths and higher frequencies, which results in more energy being carried by microwaves compared to radio waves.
If you are talking about energy then no, UV has higher energy than visible light.
Radio waves have the lowest frequency in all of the electromagnetic spectrum. The next higher frequency energy is microwave, visible light including ultraviolet, infrared, X-ray, then gamma ray
Microwaves have lower energy than X-rays because they have longer wavelengths and lower frequencies. X-rays have shorter wavelengths and higher frequencies, giving them more energy. This difference in energy levels is due to the electromagnetic spectrum, with X-rays falling within the higher energy range compared to microwaves.
The rank of waves from highest energy to lowest energy is gamma rays, X-rays, ultraviolet light, visible light, infrared radiation, microwaves, and radio waves. This ranking is based on the waves' amplitude and frequency, with higher frequency and lower wavelength corresponding to higher energy.
Nope. Radio waves have a long wavelength, which causes them to carry little energy. For future questions about energy and waves, use the formula E=h(c/lambda). E is the energy of the wave, h is plank's constant, c is the speed of light (3x10^8), and lambda is the frequency. Have fun! ^_^