If the Earth is at one fourth of its present distance from the Sun, the duration of the year will be
(a) one fourth of the present year
(b) half the present year
(c) one - eighth the present year
(d) one - sixth the present year
Answers
Answered by
77
BY Keplers's IIIrd law
Time period T²=kR³
where R is distance of the earth from sun
so if R'=R/4
T'²=KR'³
T'²=KR³/64
T'²=T²/64
T'=T/8
so the answer is c)
Time period T²=kR³
where R is distance of the earth from sun
so if R'=R/4
T'²=KR'³
T'²=KR³/64
T'²=T²/64
T'=T/8
so the answer is c)
Answered by
35
One eighth of the present year
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