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Matter absorbs the light and different kind of vibrations are generated inside the matter which creates heat. Light has energy (Plank's constant X frequency). This energy when absorbed by matter, it increases the temperature due to deposition of energy in form of heat. Now if anything is hot enough, there are vibrations and rotations of atoms and molecules in that matter. The vibrations of electron with different frequency generates light of the same frequency.
4.78 x 10-19
2.96 x 10^-19 J
The frequency is 1,184,950,426,877,470.2 Hz 1 nanaometer = 1×10−9 meter 253 nm = 0.000000253 meters Ultraviolet light region: Wavelength 4×10−5 to 10−7 centimeters Frequency 7.5×1014 to 3×1017 Hz Scroll down to related links and look at "Radio and light waves in a vacuum"
Light cannot have a frequency of 6.42*10^-14 Hz. The lowest frequency for visible light is approx 100 septillion as large.
Those numbers are very inaccurate for visible light. But it doesn't matter. The rule is that the energy carried by a photon of any electromagnetic radiation is proportional to its frequency. The higher the frequency, the more energy it carries.
c = wavelength X frequency, where c is the speed of light, which is 299,792,458 m/s. So you need the wavelength of the photon. Then you divide c/wavelength and the result will be the frequency.
4.25 10-19 j
Matter absorbs the light and different kind of vibrations are generated inside the matter which creates heat. Light has energy (Plank's constant X frequency). This energy when absorbed by matter, it increases the temperature due to deposition of energy in form of heat. Now if anything is hot enough, there are vibrations and rotations of atoms and molecules in that matter. The vibrations of electron with different frequency generates light of the same frequency.
2.96 x 10^-19 J
4.78 x 10-19
The energy is 2,9619.e-19 J.
The frequency is 1,184,950,426,877,470.2 Hz 1 nanaometer = 1×10−9 meter 253 nm = 0.000000253 meters Ultraviolet light region: Wavelength 4×10−5 to 10−7 centimeters Frequency 7.5×1014 to 3×1017 Hz Scroll down to related links and look at "Radio and light waves in a vacuum"
2.96 x 10-19 J
Light cannot have a frequency of 6.42*10^-14 Hz. The lowest frequency for visible light is approx 100 septillion as large.
E = h f (relation of energy with frequency) E = h c / λ (relation of energy with wavelength) h = Planck's constant ≈ 6.026 × 10⁻³⁴ J.s c = speed of light = 299,792,458 m/s in vacuum ≈ 3.0 × 10⁸ m/s
The energy is 2,9619.e-19 J.