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Match the column - with column-ll and mark the appropriate choice Column-1 Column-11 (A) To measure mass (P) Doppler's effect of light (B) To measure time (Q Law of gravitation and spectrometer (C) To measure distance (R) Caesium clock (D) To measure speed of star (S) RADAR and SONAR O A-Q, B-R, C-S, D-P o A- PQ, B- QR, C- PQR, D-S o A-Q, B-R, C-P. D-S Ki |
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Answer» 1G 1H 3H 3h4v5h make me BRAINLEAST |
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