Suppose two stars are located in region A of the H-R diagram shown in the figure below. Star X appears much dimmer than star Y as seen from Earth. Which star can be inferred to be nearer to the Earth, and how do you know?
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Answer:
Star Y is much closer to the earth compared to star X because it is easily seen and appears brighter from the earth compared to the other star.
Explanation:
Light at a nearer distance travels faster and clearer compared to light at a far away distance. Therefore star Y is closer to the earth compared to star X because it is seen shining brighter than the other star from the earth.
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The star Y is closer to the earth as compared to the other star.
Explanation:
- The luminous intensity can be saod to be inversely proportional to the square of distance of separation between the observer and the the body which is producing the light.
- As a result of this if the distance between the star and the earth is increased then the the light which is seen from the Earth decreases.
- So the star Y is closer to the earth as compared to star x because the distance between the two is less and that's why the light can travel faster to earth.
To know more about luminous intensity,
what is luminous intensity and its S.I. unit? - Brainly.in
https://brainly.in/question/4367424
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