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광자 에너지 계산기

플랑크 관계식으로부터 광자 에너지를 계산합니다.

소개

Photon Energy Calculator — Photon energy from Planck's relation. Enter Given, Wavelength (m) to get an instant, accurate result.

공식

Photon energy follows the Planck relation, E = h × f, or equivalently E = h × c / λ, where h is Planck's constant (6.62607015×10⁻³⁴ J·s), f is frequency, c is the speed of light, and λ is wavelength.

단계별 안내

  1. Enter the Given.
  2. Enter the Wavelength (m).
  3. Click Calculate to see your result instantly.

실제 예시

Example: With Given = wavelength, Wavelength (m) = 0.0000005, the Photon Energy Calculator gives Energy J: 0.

자주 묻는 질문

What is Planck's constant?
Planck's constant (h ≈ 6.626×10⁻³⁴ joule-seconds), named after German physicist Max Planck, relates a photon's energy to its frequency, forming a cornerstone of quantum mechanics.
Why does higher frequency light carry more energy?
Since E = hf, photon energy is directly proportional to frequency — this is why high-frequency ultraviolet or X-ray photons carry far more energy than low-frequency radio waves.
What units does this calculator use?
Enter frequency in hertz (Hz) or wavelength in meters (m) to get photon energy in joules (J); results are often converted to electron volts (eV) for atomic-scale contexts.
What inputs does the Photon Energy Calculator need?
You'll need to provide: Given, Wavelength (m). All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the Photon Energy Calculator?
The Photon Energy Calculator applies the formula exactly as calculated — Photon energy follows the Planck relation, E = h × f, or equivalently E = h × c / λ, where h is Planck's constant (6.62607015×10⁻³⁴ J·s), f is frequency, c is the speed of light, and λ is wavelength. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the Photon Energy Calculator free to use?
Yes, the Photon Energy Calculator is completely free, requires no signup, and runs instantly in your browser.

광자 에너지 계산기 소개

The Photon Energy Calculator uses a real, verifiable formula — Photon energy follows the Planck relation, E = h × f, or equivalently E = h × c / λ, where h is Planck's constant (6.62607015×10⁻³⁴ J·s), f is frequency, c is the speed of light, and λ is wavelength. — so results are accurate every time, not an approximation.