Question

Mention any 4 sign conventions.​

Answer 1

Answer:

1.Metric signature.

2.Timelike convention.

3.Particle physics convention.

4.West coast convention.

5.Mostly minuses.

6.Landau–Lifshitz sign convention.

Answer 2

✪Sign is taken as + (positive) behind the spherical mirror.

✪The height of image taken as + (positive) above the principal axis

✪The height of image taken as – (negative) below the principal axis.

✪the distance of image is taken as + (positive) from pole along the principal axis.

ANSWER FROM CARTOON LOVER ❤️