The light from the Sun reaches the Earth in about ________.

2 min 15 sec

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4 min 30 sec

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6 min 20 sec

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8 min 20 sec

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Solution

The correct option is D 8 min 20 sec
Distance between the earth and the sun is 15 crores km approximately. Speed of light is 3 lakh km per second approximately. Thus time taken by light to reach the earth is 150000000/300000 = 500 seconds or 8 min and 20 seconds.

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The light from the Sun reaches the Earth in about ________.

The correct option is D 8 min 20 secDistance between the earth and the sun is 15 crores km approximately. Speed of light is 3 lakh km per second approximately. Thus time taken by light to reach the earth is 150000000/300000 = 500 seconds or 8 min and 20 seconds.

The correct option is D 8 min 20 sec
Distance between the earth and the sun is 15 crores km approximately. Speed of light is 3 lakh km per second approximately. Thus time taken by light to reach the earth is 150000000/300000 = 500 seconds or 8 min and 20 seconds.