Given the distance between earth and sun is 1.5×108 km and velocity of light is 3×105kms−1 The time taken for sun light to reach the earth is

t=dv=1.5×1083×105=0.5×108−5=0.5×103=500s

Given the distance between earth and sun is 1.5×108 km and velocity of light is 3×105kms−1 The time taken for sun light to reach the earth is

t=dv=1.5×1083×105=0.5×108−5=0.5×103=500s

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Given the distance between earth and sun is $1.5 \times 10^{8} km$ and velocity of light is
$3 \times 10^{5} {kms}^{- 1}$ The time taken for sun light to reach the earth is

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Detailed Solution

$t = \frac{d}{v}$

$= \frac{1.5 \times 108}{3 \times 10^{5}}$

$= 0.5 \times 10^{8 - 5}$

$= 0.5 \times 10^{3} = 5 00s$

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