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  • Mean Solar Second is equal to Option: 1  part

Mean Solar Second is equal to 

Option: 1

\frac{1}{365.25}^{th} part of the solar year


Option: 2

\frac{1}{86400}^{th}part of the solar day


Option: 3

\frac{1}{43200}^{th}part of the mean solar day


Option: 4

Both 1 and 2


Answers (1)

best_answer

r As we have learnt,

 

Units of Time -

1 year                 365.25 days        3.156 x 107 Sec

Lunar Month    1 Lunar Month = 27.3 days (it is the time taken by the moon to complete1 revolution around the earth in its orbit)

1 Average Solar Day    1/365.25 the part of solar year

 

-

 

 1 solar second  = \frac{1}{86400}^{th}part of the mean solar day

 

Posted by

Rishi

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