It takes time to 8 mins for light reach from sun to the earth surface it speed if speed of light is taken to be 3×10^8 m/s^-1, find the distance from sun to the earth ink km
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Answer:
Given :
Speed of light = 3 × 10^8 m/s
Time taken = 8 minutes
To find:
Distance between earth and sun
Conversion:
Convert time from minutes to seconds
8 minutes = 8 × 60 = 480 seconds
Calculation:
Distance = speed × time
=> D = (3 × 10^8 ) × 480
=> D = 144 × 10^9 metres
=> D = 144 × 10^6 km
=> D = 144 million km.
So distance is 144 million km.
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