Para Jumble practice question for SSC. Review the correct answer and explanation, then continue with related practice below.
Arrange the following sentences in the correct order. A. The reconstructed series shows that part of the apparent acceleration was introduced by the change in measurement procedure. B. Astronomers analysing a long observational record notice that a celestial object's measured motion appears to accelerate. C. Midway through the record, however, the observatory adopted a different method for correcting atmospheric distortion. D. Measurements from periods in which both procedures were applied allow researchers to estimate the systematic difference between them. Options:
Correct Answerसही उत्तर
A. BCDA
Explanationव्याख्या
(English): B introduces the apparent acceleration.
C identifies a methodological change.
D explains how overlapping measurements allow the methods to be calibrated, and A gives the corrected interpretation.
Overall Meaning: Methodological changes can introduce artificial trends into long observational records.
व्याख्या (Hindi): B में खगोलीय पिंड की मापी गई गति में त्वरण दिखाई देता है।
C में अभिलेख के मध्य में वायुमंडलीय विकृति सुधारने की विधि बदलने की जानकारी मिलती है।
D में दोनों विधियों के साथ लिए गए समान अवधि के मापों से व्यवस्थित अंतर का अनुमान लगाया जाता है और A में पता चलता है कि दिखाई देने वाले त्वरण का कुछ भाग मापन विधि बदलने से उत्पन्न हुआ था।
समग्र अर्थ:
मापन विधि में बदलाव लंबे अवलोकन अभिलेखों में कृत्रिम रुझान उत्पन्न कर सकता है।
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