A new unit of length is …
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Preeti Dabral 1 year, 4 months ago
The speed of light in vacuum (c) = 1 new unit of length s-1
Time taken by light to reach the Earth,
t = 8 min + 20s = (8 {tex}\times{/tex} 60 + 20) s = 500 s
{tex}\therefore{/tex} Distance between the Sun and the Earth
= Speed of light {tex}\times{/tex} Time
x = c {tex}\times{/tex} t = 1 new unit of length s-1 {tex}\times{/tex} 500 s
= 500 new units of length
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