Joules To Hertz Equation:
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The Joules To Hertz equation converts energy in joules to frequency in hertz using Planck's constant. This conversion is fundamental in quantum mechanics and relates the energy of a photon to its frequency.
The calculator uses the equation:
Where:
Explanation: The equation demonstrates the direct proportionality between a photon's energy and its frequency, with Planck's constant as the proportionality factor.
Details: This calculation is essential in quantum physics, spectroscopy, and photonics for determining the frequency of electromagnetic radiation corresponding to a specific energy level.
Tips: Enter energy in joules and Planck's constant in J·s. The default value for Planck's constant is provided (6.626e-34 J·s). All values must be positive.
Q1: What is Planck's constant?
A: Planck's constant (h) is a fundamental physical constant that relates the energy of a photon to its frequency, with a value of approximately 6.626 × 10⁻³⁴ J·s.
Q2: What are typical energy values for photons?
A: Photon energies range from about 10⁻²⁵ J for radio waves to 10⁻¹⁵ J for gamma rays, corresponding to frequencies from Hz to 10²⁰ Hz.
Q3: Can this equation be used for all types of energy?
A: This specific equation applies to the energy-frequency relationship for photons. Different equations govern other energy-frequency relationships.
Q4: Why is the frequency important?
A: Frequency determines the color of visible light, the penetration ability of radiation, and the energy carried by electromagnetic waves.
Q5: How accurate is this calculation?
A: The calculation is mathematically exact based on the input values, assuming the standard quantum mechanical relationship between energy and frequency.