The light from the sun takes $500 s$ to reach the earth. Assuming that the speed of light is $3, 00, 000 k m / s$ , calculate the distance between the sun and the earth.

100 million km

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150 million km

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200 million km

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300 million km

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Solution

The correct option is C 150 million km
Step 1
$S p e e d = \frac{D i s t a n c e}{T i m e}$

Step 2
$3, 00, 000 = \frac{D i s t a n c e}{500}$

Step 3
Distance $= 500 \times 3, 00, 000$
$= 15, 00, 00, 000 k m$
$= 150 m i l l i o n k m$

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The light from the sun takes 500s to reach the earth. Assuming that the speed of light is 3,00,000km/s, calculate the distance between the sun and the earth.

The correct option is C 150 million kmStep 1Speed=DistanceTimeStep 23,00,000=Distance500Step 3Distance =500×3,00,000 =15,00,00,000km =150 million km

The light from the sun takes $500 s$ to reach the earth. Assuming that the speed of light is $3, 00, 000 k m / s$ , calculate the distance between the sun and the earth.

The correct option is C 150 million km
Step 1
$S p e e d = \frac{D i s t a n c e}{T i m e}$

Step 2
$3, 00, 000 = \frac{D i s t a n c e}{500}$

Step 3
Distance $= 500 \times 3, 00, 000$
$= 15, 00, 00, 000 k m$
$= 150 m i l l i o n k m$