Explanation: A Light Year is known as the distance travelled by light in one year, which is equal to 3 lakh kilometer/sec × 24 hrs × 60 min × 60 seconds. This unit is used to measure astronomical ...

The UPSC Mains Examination, the second stage of the Civil Services Exam, consists of nine papers, including four General Studies Papers. General Studies Paper-1 plays a crucial role in evaluating ...

Preparing for competitive exams is never an easy task. But, the difficulty level can be reduced if you have some good books with you. If General Science is one of your subjects when you are preparing ...

Medical Science Optional Books will help candidates score well in the UPSC main optional subject. Medical science can be a scoring optional subject if aspirants use the right strategy and cover the ...

What is the significance of the launch of the heaviest satellite by LVM-3 for your UPSC exam? What relevance do topics such ...