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Class 10 Science Medium Mcq English Medium

If a star's light path varies slightly due to atmospheric refraction, this causes the star to

Question
If a star's light path varies slightly due to atmospheric refraction, this causes the star to
always appear uniformly brighter over time
appear sometimes brighter and sometimes fainter, which is the twinkling effect
disappear from the sky entirely
change colour permanently
Answer
appear sometimes brighter and sometimes fainter, which is the twinkling effect
Detailed Explanation
The chapter explains that as the light path varies, the star sometimes appears brighter and sometimes fainter, producing the twinkling effect.
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