Question

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

A
100 million km
B
150 million km
C
200 million km
D
300 million km

Solution

## The correct option is C 150 million kmStep 1$$Speed = \displaystyle\frac{Distance}{Time}$$Step 2$$3,00,000 = \displaystyle\frac{Distance}{500}$$Step 3Distance $$= 500 \times 3,00,000$$               $$= 15,00,00,000 km$$               $$= 150\ million\ km$$Physics

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