On what basis is the classification of electromagnetic waves done?a)El...
The classification of electromagnetic waves done according to the frequency called the electromagnetic spectrum. The basic difference various type of electromagnetic waves lies in their wavelength or frequency since all of them travel through vacuum at the same speed and also, the waves differ in their mode of interaction with matter.
On what basis is the classification of electromagnetic waves done?a)El...
Electromagnetic Spectrum:
Classification of electromagnetic waves is done based on the electromagnetic spectrum, which includes all the different types of electromagnetic radiation arranged by their wavelengths or frequencies.
Types of Electromagnetic Waves:
Radio Waves:
- Longest wavelengths and lowest frequencies.
- Used for communication, radar, and broadcasting.
Microwaves:
- Shorter wavelengths than radio waves.
- Used in cooking, communication, and radar.
Infrared Waves:
- Longer wavelengths than visible light.
- Perceived as heat, used in remote controls and thermal imaging.
Visible Light:
- Small portion of the spectrum visible to the human eye.
- Split into different colors based on wavelength.
Ultraviolet Waves:
- Shorter wavelengths than visible light.
- Cause sunburn, used in tanning beds and sterilization.
X-Rays:
- Shorter wavelengths and higher frequencies.
- Used in medical imaging, security screening, and material analysis.
Gamma Rays:
- Shortest wavelengths and highest frequencies.
- Used in cancer treatment, sterilization, and nuclear medicine.
Importance of Classification:
Understanding the classification of electromagnetic waves is crucial for various applications such as communication, medical imaging, and scientific research. Each type of wave has unique properties and interactions with matter, making them suitable for different purposes. By organizing them in the electromagnetic spectrum, scientists and engineers can effectively utilize these waves for a wide range of practical uses.
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