Strong GK and regular current affairs practice are essential for cracking competitive exams. Reading reliable news sources ...

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 ...

Do you know why World Science Day is celebrated every November 10th? Learn its theme, history, and global significance in ...