How do light waves behave differently than sound waves?

Light waves and sound waves are both forms of waves that propagate energy, but they behave differently due to their differing properties.

1. Medium of propagation: Light waves do not require a medium to travel through and can propagate through a vacuum, such as space. Sound waves, on the other hand, require a medium, such as air, water, or solids, to travel through.

2. Speed: Light waves travel much faster than sound waves. In a vacuum, light travels at a speed of approximately 186,282 miles per second, while sound waves travel at a speed of about 1,125 feet per second in air.

3. Wavelength and frequency: Light waves have much shorter wavelengths and higher frequencies compared to sound waves. Light waves have wavelengths ranging from hundreds of nanometers (for visible light) to thousands of nanometers (for infrared and ultraviolet light), while sound waves have wavelengths on the order of meters to centimeters.

4. Direction of propagation: Light waves can travel in a straight line and can be easily reflected, refracted, and diffracted. Sound waves, on the other hand, propagate in all directions in a spherical pattern, and their propagation can be affected by obstacles and changes in the medium.

5. Interactions with matter: Light waves can interact with matter through absorption, reflection, refraction, and transmission. Sound waves, on the other hand, can also undergo these interactions, but they mainly propagate through mechanical vibrations and exhibit properties such as resonance and interference.

Overall, light waves and sound waves exhibit different behaviors due to their differing properties, such as speed, wavelength, frequency, and interactions with matter.