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Good conductors like metals, the ionosphere, etc.
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Type of radiation stopped in the ionosphere?
Some, not all, radio waves. The reflected ones are the ones used for short-wave radio.
What is the function of the dish in a radio telescope?
The shape is a paraboloid. In a paraboloid, all waves that come from infinity (or from far, far away - this is practically the same for the geometrical considerations) will be reflected in such a way that they gather at a single point.
How are radio waves formed?
How are radio waves formed?
What name is given to the reflected sound waves in a cave or an empty hall?
what is the name given to the reflected sound waves in a cave or an empty hall
What electromagnetic wave have the lowest frequency?
Radio Waves.
AM radio waves are able to traves farther than FM radio waves because?
AM waves are reflected by earth's ionosphere
What type of materials will reflect radio waves?
Radio waves will be reflected by any surface where the electromagnetic properties of the space change. e.g. moving from free space into solid material.
What level of atmosphere bounces off radio waves off of the earth?
Radio waves are in all parts of the atmosphere. Some, but not all, radio waves are reflected from the ionosphere, permitting transmission over greater distances.
Radio waves bounce and return to earth?
The Radio waves are reflected back to Earth in the Ionosphere.
Type of radiation stopped in the ionosphere?
Some, not all, radio waves. The reflected ones are the ones used for short-wave radio.
Why is the mesosphere beneficial?
it is the region where meteors burn and radio waves are reflected but also weather phenomena occurs in it
Is it true a radar is an instrument that uses radio waves to detect objects?
Like bats do in caves it is a signal sent out and timed so the distance can be measured from the reflected sound waves or in this case radio waves that bounce off any objects or obstacles.
How come light travels in straight lines but radio waves spread out?
Light and Radio Waves are both forms of Electromagnetic radiation, and propagate at c (that is, the speed of light, 3*10^8m/s). Both light and radio waves can travel in straight lines, or by spreading out, depending on how they are made. For example, a radio dish and a light bulb can both spread out light and radio waves in 360 degrees.
How do very long radio waves reach stations beyond the curvature of the Earth?
Radio waves, like all forms of electro magnetic radiation are affected by gravity, so the Earth's mass helps to bend the radio waves to an extent. Beyond that, radio waves can be reflected naturally by atmospheric conditions, but generally, when a radio signal needs to be transmitted a significant distance, it is done by a series of radio towers in relay.AnswerThe condition is called 'skip'. The waves bounce off the ionisphere and back to earth way past the curvature.
Areall sound waves reflected explain?
When the sound waves are reflected, the result in the producing of an echo.
What layer of atmosphere is radio waves?
the lonosphere
Does mechinal waves have radio waves?
no, mechanical waves are not radio waves
