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What is the underlying principle that make light and all other electromagnetic waves travel at a fixed speed?
The speed of light is a constant, 299 792 458m/s, usually rounded to 3.0 x 108m/s.
Their are three proportions involving the speed of light that are the underlying
principles that make electromagnetic radiation travel at a fixed speed.
c = ƒ• λ, means that the speed of light, c, is directly proportional to the frequency, f,
and wavelength, λ.
ƒ = λ/ c, means that the frequency, f, of a wave is directly proportional to the
wavelength, λ, and inversely proportional to the speed of light, c.
λ = ƒ/c, means that wavelength is directly proportional to the frequency, f, and
inversely proportional to the speed of light, c.
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The first line above is correct. That is indeed the speed of light in a vacuum.
And now, to try and answer the question:
The speed of electromagnetic waves is the result of the electrical characteristics of
whatever they're moving through, whether vacuum or something else. The Physicist
who developed the theory of electromagnetic waves ... James Clerk Maxwell ... worked
out all the math in the 1870s, and right there in his math was a number that had to be
the speed of these waves. That was one reason why so many scientists worked so hard
from that time on to measure the speed of light. If it turned out to be the same as the
number in Maxwell's math, then that outcome would strongly support two conjectures:
#1). That light is an electromagnetic wave, and #2). That Maxwell probably knew what
he was talking about, and his whole theory of electromagnetic waves could be depended on.
Ever since then, the more accurately the speed of light is measured, the closer the
measurement comes to Maxwell's prediction for it.
What else can I help you with?
Which scientist said electrons travel around the nucleus in fixed energy levels?
Niels Bohr
What is an FI Plus Bond?
An FI Plus bond is a type of structured debt security that combines a fixed income component (FI) with another underlying asset or investment (Plus), such as a stock index or commodity. This hybrid structure allows investors to gain exposure to both the fixed income and the underlying asset, offering potential benefits of diversification and enhanced returns. FI Plus bonds are a way for investors to customize their investment strategy based on their risk tolerance and market outlook.
Why is velocity of electromagnetic waves not measured?
Electromagnetic Waves all have constant velocity which are equal to the speed of light. It is only the frequency of the wave that differentiates ie between radio, gamma, X-ray. The velocity is always fixed at 3 x 10^8 ms^-1 which is equivalent to the speed of light.
Can Clitoromegaly be fixed?
Clitoromegaly, an enlargement of the clitoris, can be treated through various surgical and non-surgical options, depending on the underlying cause. It is important to consult with a healthcare provider to determine the best course of action based on individual circumstances.
If the period of a wave is equal to the amount if time it takes for the wave to travel to a fixed point and back what is produced?
If the period of a wave is equal to the time it takes for the wave to travel to a fixed point and back, we can say that a standing wave is produced. This phenomenon occurs when two waves of equal frequency and amplitude but traveling in opposite directions interfere with each other, resulting in a wave pattern that appears stationary.
Making electricity from wind with motor?
the wind mills rotate and the electric generator fixed in the mill converts mechanic energy into electric energy by the principle of electromagnetic induction
What states of matter can a medium be?
A medium can exist in three states of matter: solid, liquid, and gas. Solids have a fixed shape and volume, liquids have a fixed volume but take the shape of their container, and gases have neither a fixed shape nor volume.
What is a fixed percent of a principle?
It is a fixed rate of simple interest.
What is the principle of car steering?
IT WORKS in the principle of rotatory motion because it has a fixed point around which steering rotates
How does AC electricity travel?
Electrical energy can travel along a simple electrical circuit or along a transmission line, or by electromagnetic radiation. AC power usually refers to power at a single frequency, for example 50 Hz or 14 MHz. Power travelling along a transmission line loses a fixed proportion of its intensity per unit length of the line. By contrast, power travelling by electromagnetic radiation loses three quarters of its power density every time the distance is doubled. Therefore of the two methods electromagnetic radiaton can travel a lot further.
How nerves travel in our body?
They do not travel - their position is fixed throughout the body. Nerve impulses travel.
Is sun a coherent source?
Yes, the sun is a coherent source of light because its electromagnetic waves have a fixed phase relationship and travel in a consistent direction. This coherence allows for interference patterns to be observed in phenomena like diffraction and Young’s double-slit experiment.
What are the four properties of electromagnetic waves?
An electromagnetic wave consists of alternating magnetic and electric fields at right angles to each other. All electromagnetic waves travel at a speed of 3x108 m/sec in air. They all undergo diffraction, interference and reflection. They can travel in a vacuum and they all transmit energy from one place to another. They are actually a type of transverse wave in which the direction of the wave is perpendicular to the direction of the movement causing it.
What are the bad things about railroads?
Unlike air travel, they need a fixed land path. Unlike trucking, they need a fixed land path.
What can be the definition of fixed income investment?
A fixed-income investment generally pay interest on specific schedule with a promise to return the principle at maturity, but is not guaranteed. Basically they provide regular income that is predictable.
Find velocity after impact of body with a fixed plane?
To find the velocity after impact of a body with a fixed plane, you can use the principle of conservation of momentum. This principle states that the total momentum before the impact is equal to the total momentum after the impact. By setting up the momentum equation before and after the impact, you can solve for the velocity after impact.
What is a fixed quantity of light energy?
Wikipedia says that a photon is a fixed quantity of light energy.
