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Radio waves can penetrate materials such as walls, buildings, and certain types of soil more effectively than light waves. This is due to their longer wavelengths, which allow them to pass through obstacles that scatter or absorb visible light. For example, radio waves can travel through concrete and wood, while light waves are typically reflected or absorbed by these materials.

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Why can radio waves pass through walls but light cannot?

Radio waves are longer on the electromagnetic spectrum and can penetrate objects because they are less dense. Visible light and infrared light are shorter and therefore too dense to pass through objects.


What can radio waves do that visible light cannot?

Radio waves can penetrate obstacles like walls and buildings more effectively than visible light. They are also able to travel longer distances and can be easily transmitted through the Earth's atmosphere. Additionally, radio waves are used in communication technologies such as radar and broadcasting, which are not feasible with visible light.


Is the greater the wavelength the deeper the penetration?

Yes, longer wavelengths like radio waves penetrate deeper into materials compared to shorter wavelengths like visible light. This is why radio waves can travel through walls and other obstacles, while visible light cannot.


Which of the following forms of light can be observed with telescopes at sea level?

Telescopes at sea level can observe visible light, radio waves, and a small portion of infrared and ultraviolet light that are able to penetrate the Earth's atmosphere. Other forms of light such as X-rays and gamma rays are absorbed by the atmosphere and cannot be observed at sea level.


Neither X rays nor radio waves can penetrate the earth's atmosphere?

False. For some bands of radio waves the atmosphere is transparent. Radio waves can penetrate to the ground. That's why we have radio telescopes on the Earth.


What electromagnetic energy can penetrate the earths atmopshere?

Ultraviolet, visible light, and some radio waves are able to penetrate the Earth's atmosphere. However, X-rays and gamma rays are largely absorbed and blocked by the atmosphere.


Why can radio telescopes be used 24 hours a day?

Unlike visible light waves, radio waves can penetrate through clouds.


What is the frequency range of radio waves that can penetrate human body?

The frequency range that the radio waves can penetrate the human body is between 1Hz and 10 KHz. This frequency of the radio waves is however not dangerous.


What can radio waves pass through?

Radio waves can pass through various materials such as air, water, and some solid objects like walls and buildings. They are able to penetrate through these substances due to their long wavelength and low energy levels. However, the ability of radio waves to pass through a material depends on the frequency and thickness of the material.


Can radio waves travel through plastic?

Yes, radio waves can travel through plastic material. However, the ability of radio waves to penetrate through plastic may vary depending on the type of plastic and its thickness. Generally, thinner and more transparent plastics allow radio waves to pass through more easily.


Is it possible for a electomagnetic wave to travel through matter?

No. Light cannot pass through glass or water. Light bulbs do not shine, and flashlights are a myth. The presence of air alone is enough to totally block the passage of heat, such as from a fireplace or heat lamp. Not only that! Radio waves cannot penetrate walls ... the reason why radios, TVs, and cellphones are completely useless inside the walls of a home. Finally, X-rays are totally blocked by the presence of tooth enamel or human skin, and microwave radiation is utterly unable to penetrate leftover meatloaf, and it bounces off harmlessly.


Why can radio telescope can see things that a telescope that detect visible light cant?

-- The source may be one that emits electromagnetic energy in the radio portion of the spectrum but little or no visible light. -- There may be material in the way, such as dust or gas, that absorbs visible light but doesn't absorb radio energy.