Table of Contents
- 1 How will you compare the frequency carried by ultraviolet to that of the visible light?
- 2 Does UV light have more energy than visible light?
- 3 How are ultraviolet radiation and microwave radiation the same?
- 4 What is true about the energy and frequency of light?
- 5 What is the frequency of the visible light?
- 6 What is the energy of UV light?
- 7 Why are the properties of all samples of brass not identical?
- 8 Which of the following is true about the frequency and energy?
How will you compare the frequency carried by ultraviolet to that of the visible light?
Ultraviolet radiation has shorter waves than blue or violet light, and thus oscillates more rapidly and carries more energy per photon than visible light does. Light travels at a speed of 299,792 kilometers per second (about 186,282 miles per second).
Does UV light have more energy than visible light?
The energy of a wave depends on its wavelength: the longer the wavelength, the lower the energy. Ultraviolet radiation carries more energy and infrared radiation less energy than visible light.
What is the frequency wave of UV light?
Ultraviolet (UV) light falls in the range of the EM spectrum between visible light and X-rays. It has frequencies of about 8 × 1014 to 3 × 1016 cycles per second, or hertz (Hz), and wavelengths of about 380 nanometers (1.5 × 10−5 inches) to about 10 nm (4 × 10−7 inches).
How are ultraviolet radiation and microwave radiation the same?
Microwave radiation and Ultraviolet radiation both travel at the same speed through a vacuum. In this way these both radiations are same. But Microwave radiation has longer wave length, low frequency and used in microwave ovens and radios.
What is true about the energy and frequency of light?
Increasing the frequency of incoming light increases the kinetic energy of the ejected electrons. Frequency is proportional to energy and inversely proportional to wavelength.
Is the ultraviolet has a frequency higher than visible light?
Ultraviolet light is located between X-radiation and visible light. UV has a higher frequency and shorter wavelength than visible light, and it has a lower frequency and longer wavelength than X-radiation.
What is the frequency of the visible light?
| Region | Wavelength | Frequency |
|---|---|---|
| Visible (blue) | 400 nm | 7.5 × 1014 Hz |
| Visible (red) | 700 nm | 4.3 × 1014 Hz |
| Infrared | 10000 nm | 3 × 1013 Hz |
| Microwave | 1 cm | 30 GHz |
What is the energy of UV light?
Ultraviolet radiation falls in the range from a few electron volts to about 100 eV. X-ray photons have energies in the range 100 eV to 100,000 eV (or 100 keV). Gamma-rays then are all the photons with energies greater than 100 keV.
What are the colors of the visible spectrum in order of increasing frequency?
In order of increasing frequency (and decreasing wavelength ) these are given as:
- red.
- orange.
- yellow.
- green.
- blue.
- indigo.
- violet.
Why are the properties of all samples of brass not identical?
The properties of all samples of brass are not identical. Brass is a mixture of copper and zinc. The properties of a particular sample of brass will vary with the relative proportions of the two metals.
Which of the following is true about the frequency and energy?
Answer: Just as wavelength and frequency are related to light, they are also related to energy. The shorter the wavelengths and higher the frequency corresponds with greater energy. So the longer the wavelengths and lower the frequency results in lower energy.