Question

explain sign convention for the measurement of distance ​

Answer 1

Answer:

In physics, a sign convention is a choice of the physical significance of signs (plus or minus) for a set of quantities,

Explanation:

the rules for sign convention

.All distances should be measured from the pole.

.The distances measured in the direction of incident light, to be taken positive and measured in the opposite direction of incident light to be taken negative.

Answer 2

Q. 1 WHAT IS SIGN CONVENTION?

I RECOMMEND YOU SOME TECHNICS WHICH HELP ME A LOT IN MY SESSION.

SIGN CONVENTION IN OPTICS IS TAKEN JUST TO IDENTIFY THE POSITION OF THE OBJECT WITH RESPECT TO THE MIRROR OR LENS.

Q. 2 WHAT IS POLE?

MANY OF THE STUDENT OF CLASS 10 OR LOWER IS NOT AWARE ABOUT THE SIGNIFICANCE OF POLE BUT I WILL TELL YOU THAT IF YOU KNOW WHAT THE POLE IS THAT YOU WILL KNOW ALL ABOUT SIGN CONVENTION WITH OUT ANY CONFUSION.

POLE IS THE MIDDLE POINT OF THE MIRROR OR LENS. WHICH IS TAKEN AS ORIGIN.

THIS DARKEN LINE IS ALL ABOUT SIGN CONVENTION.

SO LET'S START

• AS WE DESCRIBE POLE AS THE ORIGIN SO ALL THE DISTANCE FROM THE POLE IS TAKEN AS POSITIVE IF DISTANCE IS TOWARD RIGHT AND TAKEN AS NEGATIVE IF DISTANCE IS TOWARD LEFT.

• HEIGHT IS TAKEN POSITIVE IS TAKEN ON UPPER SIDE i.e PARALLEL TO POSITIVE Y AXIS AND TAKEN AS NEGATIVE WHEN MEASURED FROM THE POLE IN DOWNWARD DIRECTION.