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What condition must be met before total internal refraction can occur?
Total internal reflection occurs when light travels from a denser medium to a less dense medium at an angle greater than the critical angle. The critical angle is specific to the two media involved and is determined by their refractive indices. Additionally, the light must be incident at an angle greater than this critical angle for total internal reflection to take place.
Is Kurt angle his real name?
Kurt Steven Angle is the real name of 1996 Olympic Gold Medalist Kurt Angle.
How do you find a reflex angle?
A reflex angle is generally larger that 90 degrees. To find an angle if the diagram is in scale use a protractor is not you would use geometry to find that angle unless the shape is regular such as a square we you know that every angle inside a square equals 90 degrees. So its all depends on the situation.
What is the neck to body angle on a Gibson Les Paul standard?
Can be 5-degree angle (pitch)
What is the angle of approach of the 2014 Jeep Cherokee?
The 2014 Jeep Cherokee has a 16.7 degrees angle of approach.
The star Sirius is known to be 8.6 light years away What is the parallax angle?
The parallax angle of Sirius is approximately 0.38 arcseconds. This value indicates the shift in position of the star as seen from Earth due to its motion around the Sun. The parallax angle is used to calculate the distance to nearby stars.
Sirius has a parallax of 0.377 arc seconds How far away is it from earth in arc seconds?
The distance from Earth to Sirius is the reciprocal of its parallax angle, so it would be 1 / 0.377 = 2.654 parsecs away.
If star A is closest to us than star b then A's parallax angle is?
If star A is closer to us than star B, then A's parallax angle is larger than B's. Parallax angle is inversely related to distance; the closer an object is, the greater the angle observed as it moves against the background of more distant stars. Therefore, star A's parallax angle will be greater than that of star B.
If a star's parallax angle is too small to measure what can you conclude about the star's distance from earth?
It means that the distance is greater than a certain amount - depending on how precisely you can measure the parallax.
What stars have the largest parralax angles?
The stars with the largest parallax angles are typically the closest to Earth. For instance, Proxima Centauri, the closest known star to our solar system, has a parallax angle of about 0.7686 arcseconds. Other nearby stars, like Barnard's Star and Sirius A, also exhibit relatively large parallax angles, allowing astronomers to measure their distances with greater precision. These measurements are crucial for understanding stellar distances and the structure of our galaxy.
How does parallax shift varies with distance?
The parallax shift decreases as distance increases. Objects that are closer to an observer will have a larger apparent shift in position when the observer changes their viewing angle, while objects that are farther away will have a smaller apparent shift in position. This difference in the amount of shift is what allows astronomers to use parallax to calculate the distances to nearby stars.
If a star's parallax angle is too small to measure what can you conclude about the star's distance from the earth?
It means that the distance is greater than a certain amount - depending on how precisely you can measure the parallax.
Why can't the parallax effect be used to measure distances to other galaxies?
The parallax angle of such distant objects is way too small to be measured. In general, the farther away an object, the smaller is its parallax angle.
What is the parallax angle of rigel?
.2 arc sec
Parallax would be easier to measure if?
Parallax would be easier to measure if the Earth were farther from the sun. This way, there will be a wider angle to the stars using the parallax method.
Why is the uncertainty in astronomers' knowledge of a star's distance greater for stars that are farther from earth?
I believe that it is all to do with margin of error. The further away the planet, the greater the margin of error in the observations and therefore the greater the uncertainty in their distance from Earth.
Is the larger a parallax shift the closer an object is?
Yes, that's the way it works. A parallax angle of 1" (arc-second) means that the object is at a distance of 1 parsec (that's how the parsec is defined); at a parallax angle of 1/10 of an arc-second, the object would be at a distance of 10 parsec, etc. A parsec is approximately 3.26 light-years.
