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The answer is 3.54×10−19 J . The equation for determining the energy of a photon of electromagnetic radiation is E=hν , where E is energy in Joules, h is Planck's constant, 6.626×10−34J⋅s , and ν (pronounced "noo") is the frequency.06-Apr-2015

What is the energy in Joules of one quantum?

In the equation, E is the energy, in joules, of a quantum of radiation, v is the frequency, and h is a fundamental constant called Planck's constant. The value of Planck's constant is h = 6.626 × 10−34 J · s. The energy of any system must increase or decrease in units of h × v.

What is the energy in Joules of one photon of this radiation?

1 Answer. 1.63×10−24J .

How do you calculate the energy of a quantum of radiation?

1:5611:06How To Calculate The Energy of a Photon Given Frequency … – YouTubeYouTubeStart of suggested clipEnd of suggested clipSo the energy of the photon is Planck's constant times the speed of light divided by the wavelength.MoreSo the energy of the photon is Planck's constant times the speed of light divided by the wavelength.

What is the energy of a quantum of radiation with wavelength?

Thus, the energy associated with the wavelength, λ = 250 × 10−9 m is equal to the7. 95 × 10−19 J. Hence, (A) is the correct option. This is an Einstein equation of energy.

How do you find energy in Joules?

Multiply watts by seconds to get joules. A 1 Watt device consumes 1 Joule of energy every 1 second. If you multiply the number of watts by the number of seconds, you'll end up with joules. To find out how much energy a 60W light bulb consumes in 120 seconds, simply multiply (60 watts) x (120 seconds) = 7200 Joules.

What is the energy of a quantum?

In chemistry and physics, quantum refers to a single packet of matter or energy. In practical use, it refers to the minimum amount of energy required for a change or the minimum value of any physical property in an interaction. Quantum is the singular form of the word.

What is the energy of 1 photon?

The energy of a single photon is: hν or = (h/2π)ω where h is Planck's constant: 6.626 x 10-34 Joule-sec. One photon of visible light contains about 10-19 Joules (not much!) the number of photons per second in a beam.

How do you find the energy of one photon?

Photons velocity equals the speed of light. Photons are massless, but they have energy E = hf = hc/λ. Here h = 6.626*10-34 Js is called Planck's constant. The photon energy is inversely proportional to the wavelength of the electromagnetic wave.

How do you calculate energy in Joules?

If you multiply the number of watts by the number of seconds, you'll end up with joules. To find out how much energy a 60W light bulb consumes in 120 seconds, simply multiply (60 watts) x (120 seconds) = 7200 Joules.