MCQ
One second is equals to __ part of a mean solar day :
  • 1/86400
  • B
    1/68400
  • C
    1/48600
  • D
    1/84600

Answer

Correct option: A.
1/86400
A

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free