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सूर्य की कोणीय व्यास की माप `theta =1920 (1920 )`आर्क सेकण्ड ) है पृथ्वी से सूर्य की दुरी `s=1.496 xx 10^11` मीटर है | सूर्य का व्यास ज्ञात कीजिए | `(1=4.85 xx 10^(-6) " रेडियम " )`

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प्रश्ननुसार ,सूर्य का कोणीय व्यास
`0= 1920 = 1920 xx 4.85 xx 10^(-6)` रेडियन
`=931 xx 10^(-3) रेडियन`
पृथ्वी से सूर्य की दुरी `s=1.496 xx 10^(11)` मीटर ,यदि सूर्य का व्यास D हो तो `theta =(D)/(s)`
अथवा सूर्य का व्यास
`D=S theta`
`=(1.456 xx 10^(11) मीटर)xx(9.31 xx 10^(-3) रेडियन )`
`=1.393 xx 10^(9) मीटर `

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