what does unit vector represent
JEE Advanced 2025: Hall Ticket Out; Download Now | Mock Test | Sample Papers
JEE Advanced 2025: Syllabus | Preparation Tips | Seat Matrix | Chapter-Wise Weightage
New: MEET Careers360 B.tech Experts in your City | IITs Comprehensive Guide
A unit vector is often denoted by a lowercase letter with a circumflex, or "hat": (pronounced "i-hat"). The term directionvector is used to describe a unit vector being used torepresent spatial direction, and such quantities are commonly denoted as d.
Hope this helps!!!

It is used to represent spatial direction. A unit vector in a normed vector space is a vector (often a spatial vector) of length 1. A unit vector is often denoted by a lowercase letter with a circumflex, or "hat". The term direction vector is used to describe a unit vector being used to represent spatial direction, and such quantities are commonly denoted as d.

Solving the JEE Advanced paper's will help to know the exam difficult level and identify the high weightage topics.
Download NowA Unit Vector is simply a Vector with a magnitude (length) of 1 unit. You can calculate the magnitude of a vector by summing the squares of each of the components, then taking the square root.