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Wavelength And Frequency Of Light

Light Wave Equation:

\[ \lambda = \frac{c}{f} \]

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1. What is the Light Wave Equation?

The light wave equation describes the fundamental relationship between wavelength (λ), frequency (f), and the speed of light (c). It is expressed as λ = c/f, where c is approximately 3×10^8 m/s in vacuum.

2. How Does the Calculator Work?

The calculator uses the light wave equation:

\[ \lambda = \frac{c}{f} \]

Where:

Explanation: This equation shows the inverse relationship between wavelength and frequency - as frequency increases, wavelength decreases, and vice versa.

3. Importance of Wavelength and Frequency Calculation

Details: Understanding the relationship between wavelength and frequency is crucial in optics, telecommunications, spectroscopy, and various fields of physics and engineering where light properties are studied.

4. Using the Calculator

Tips: Enter either frequency or wavelength value to calculate the other parameter. The calculator will automatically compute the missing value using the speed of light constant.

5. Frequently Asked Questions (FAQ)

Q1: What is the speed of light in different media?
A: The speed of light varies in different media. In vacuum it's 3×10^8 m/s, but it slows down in materials like water, glass, or air.

Q2: How are wavelength and frequency related to light color?
A: Different wavelengths of visible light correspond to different colors. Violet has the shortest wavelength (highest frequency), while red has the longest wavelength (lowest frequency).

Q3: What is the electromagnetic spectrum?
A: The electromagnetic spectrum encompasses all possible frequencies of electromagnetic radiation, from radio waves to gamma rays, with visible light being a small portion.

Q4: Can this calculator be used for other electromagnetic waves?
A: Yes, the equation λ = c/f applies to all electromagnetic waves, not just visible light.

Q5: What are typical units for light measurements?
A: Wavelength is often measured in meters, nanometers, or angstroms. Frequency is measured in hertz (Hz), with common prefixes like kilohertz, megahertz, or gigahertz.

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