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Wave Speed Equation Physics

Wave Speed Formula:

\[ v = f \times \lambda \]

Hz
m
m/s

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1. What is the Wave Speed Equation?

Definition: This equation calculates the speed of a wave based on its frequency and wavelength.

Purpose: It's fundamental in physics for understanding wave propagation in various media (sound, light, water waves, etc.).

2. How Does the Equation Work?

The equation is:

\[ v = f \times \lambda \]

Where:

Explanation: The speed of a wave equals how many wave cycles pass per second (frequency) multiplied by the length of each wave cycle (wavelength).

3. Importance of Wave Speed Calculation

Details: Understanding wave speed is crucial in acoustics, optics, radio technology, and many engineering applications.

4. Using the Calculator

Tips: Enter the frequency in Hertz (Hz) and wavelength in meters (m). Both values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What's a typical sound wave speed in air?
A: About 343 m/s at 20°C (varies with temperature and air pressure).

Q2: How does wave speed change in different media?
A: It depends on the medium's properties - sound travels faster in water than air, and light slows down in denser materials.

Q3: What's the relationship between frequency and wavelength?
A: They are inversely proportional when wave speed is constant (higher frequency = shorter wavelength).

Q4: Can this calculator be used for light waves?
A: Yes, it works for all wave types, though light speed in vacuum is constant (≈3×10⁸ m/s).

Q5: What units should I use?
A: Frequency in Hertz (Hz), wavelength in meters (m), and result will be in meters per second (m/s).

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