SELECT * FROM question_mgmt as q WHERE id=3271 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=2 AND subId=8 AND chapterId=101 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED)
When the planet Jupiter is at a distance of 824.7 million kilometers from the Earth, its angular diameter is measured to be 35.72" of arc. Calculate the diameter of Jupiter.
Distance of Jupiter from the Earth, D = 824.7 × 106 km = 824.7 × 109 m
Angular diameter = 35.72" = 35.72 x 4.874 x 10-6 rad
Diameter of Jupiter = d
Using the relation,
θ = d / D
d = θD
= 824.7 x 109 x 35.72 x 4.874 x 10-6
= 143520.76 x 103
= 1.435 x 105
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