profile-img
Sneha pathak Asked a Question
August 21, 2020 12:23 pmpts 30 pts
Example: There are three planets in circular orbit around a star as distances a, 4a au a respectively. At time t = t the star and the three planets are in a straight line. The period of revolution of the closest planet is T. How long after t will they again be in the same straight line. (IT JAM Physics 2018) (B) 27T 8T (A) (C) 216T (D) 512T an aalatar arn n siraiaht llne
  • 1 Answer(s)
  • like-1
  • 1 Likes
  • 2 Comments
  • Shares
  • Ruby negi thankyou
    Lcm is the it is the smallest positive integer that is divisible by each of them. because only after 216 T ,they will be in same line..
    • cropped-2044796145.jpg
    Likes(2) Reply(0)
  • Mahak
    see attached ans is c
    • cropped6895716275593747706.jpg
    Likes(1) Reply(3)
    Sneha pathak
    can you please tell me why we take lcm here