Frequency Equation:
From: | To: |
The frequency equation calculates the frequency of electromagnetic radiation from its energy using Planck's constant. This fundamental relationship is derived from quantum mechanics and is essential in various physics applications.
The calculator uses the frequency equation:
Where:
Explanation: The equation shows the direct proportionality between energy and frequency, with Planck's constant as the proportionality factor.
Details: Frequency calculation is crucial in quantum mechanics, spectroscopy, photonics, and various applications involving electromagnetic radiation and energy quantization.
Tips: Enter energy in joules (J). The value must be valid (energy > 0). The calculator uses Planck's constant h = 6.626 × 10⁻³⁴ J·s.
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 frequency values?
A: Frequency values vary widely depending on the energy. For visible light, frequencies range from about 400-790 THz (4-7.9 × 10¹⁴ Hz).
Q3: Can this equation be used for all types of radiation?
A: Yes, this equation applies to all electromagnetic radiation, from radio waves to gamma rays, as it's derived from fundamental quantum principles.
Q4: What are the units used in this calculation?
A: Energy is in joules (J), Planck's constant in J·s, and the resulting frequency in hertz (Hz).
Q5: How accurate is this calculation?
A: The calculation is mathematically exact based on the input values, as it uses the precise value of Planck's constant.