Q. Which unit is not for length

A) Parsec
B) Light year
C) Angstrom
D) Nano
Explanation

The correct answer is Option D: Nano.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.