Fill in the blank:

$1$ mean solar day = _____ $s$ .

43200

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86636

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21600

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10800

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Solution

The correct option is B $86636$
A solar day is the time it takes for the Earth to rotate about its axis so that the Sun appears in the same position in the sky, which is equal to $24 h r 03 m i n 55 s$ , i.e. in total, $86636 s e c o n d s$ .

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Similar questions

Complete the following :

(a) 1 nano second = ..............................S.

(b) 1 $μ$ s =................................S.

(d) 1 year =.................................S.

The average of all solar days in which the earth completes one revolution around the sun is called mean solar day.

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