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What type of waves are used to carry signals?
Electromagnetic waves are commonly used to carry signals in telecommunications, such as radio waves, microwaves, and light waves. These waves can travel long distances and carry information encoded in their frequency, amplitude, or phase.
How does the speed of radio waves compare with the speed of infrared waves?
Radio waves travel at the speed of light, which is the fastest speed possible in a vacuum. Infrared waves also travel at the speed of light, so both types of waves travel at the same speed.
Which waves travel through vacuum?
Electromagnetic waves, such as light, radio waves, and x-rays, can travel through a vacuum because they do not require a medium to propagate. These waves consist of changing electric and magnetic fields that can travel through empty space.
Can radio waves pass through a vacuum?
Yes, radio waves can pass through a vacuum because they are a form of electromagnetic waves. Unlike sound waves, which require a medium to travel through, electromagnetic waves do not need a medium and can propagate through empty space.
How does the speed of radio waves compare with the speed of infrared waves?
Radio waves travel at the speed of light, which is approximately 300,000 kilometers per second in a vacuum. Infrared waves also travel at the speed of light, so both types of waves travel at the same speed.
What type of waves are used to carry signals?
Electromagnetic waves are commonly used to carry signals in telecommunications, such as radio waves, microwaves, and light waves. These waves can travel long distances and carry information encoded in their frequency, amplitude, or phase.
Why are short-waves used in long distance broadcasrs?
Long-distance radio waves are particularly affected by the E and F layers of Earth's ionosphere, causing them to be refracted and reflected back to Earth at a much farther distance or range than they would travel along the Earth's surface. The Earth's surface often reflects the radio waves back up to the ionosphere, where they are again refracted and reflected back to Earth, adding another large distance to their range
What are three things radio waves can do?
Here are a few things that radio waves can do: 1. Communications (TV, Commercial radio, Ham radio etc.) 2. Heat things up, (Microwaves are just extremely short radio waves) 3. They can travel extremely fast (At the speed of light)
Which em waves are used in wireless technology?
Radio-waves are used in wireless technologies to transmit data between devices over a short distance.
What type of medium is required by radio waves?
radio waves do not require a medium to travel,it can even travel through vaccum
Why radio waves can travel through space but sound waves cannot?
radio astronomy
Why can radio waves can travel through space but sound waves cannot?
radio astronomy
What is the main characteristic of sound?
Sound waves travel at great distances in a very short time. But as the distance increases the waves tend to spread out.
What is the objective of travel faster radio waves or sound waves?
sound waves
Why is there a time delay in receiving radio transmissions in the UK from Australia?
There is time delay because the radiotransmissionsare not instant; they may travel at the speed of light but that is notinstantaneous. Also, the radio waves have to travel up to asatellite, as the waves cannot go through the Earth.
How does the speed of radio waves compare with the speed of infrared waves?
Radio waves travel at the speed of light, which is the fastest speed possible in a vacuum. Infrared waves also travel at the speed of light, so both types of waves travel at the same speed.
Where do radio waves travel?
To infinity and beyond.
