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When the distance between earth and sun is halved, the duration of year will become

a)

More

b)

Less

c)

Can’t be determined

d)

None of the above



Question ID - 54131 | SaraNextGen Top Answer

When the distance between earth and sun is halved, the duration of year will become

a)

More

b)

Less

c)

Can’t be determined

d)

None of the above

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

Let  be the present distance between earth and sun and  is duration of year. Let  and  be new values of distance and duration of year. By conservation of angular momentum we have

,

or       

or                   

 days

Hence, duration of year will become less.

127 votes


127