Q. Size of universe is about
A) Ten million light years
B) Million light years
C) Hundred million light years
D) 10 million light years
Explanation
Size of universe is about $10^{26}m = 10^{6} \times (9.46 \times 10^{15})$m $= 10^{10}$ly
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.