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प्रश्न
If a star appearing yellow starts accelerating towards the earth, its colour appears to be turned ______.
विकल्प
suddenly red
gradually red
suddenly blue
gradually blue
MCQ
रिक्त स्थान भरें
उत्तर
If a star appearing yellow starts accelerating towards the earth, its colour appears to be turned gradually blue.
Explanation:
Blue shift for coming closer.
shaalaa.com
Doppler Effect
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