Embibe Experts Solutions for Chapter: Magnetism and Matter, Exercise 1: Bihar Board-2020

The relation between geometrical length $\left(L_g\right)$ of the magnet and its magnetic length $\left(L_m\right)$ is :

Write two properties of diamagnetic substance.

Find out the expression of magnetic field due to a bar magnet in broad side on position.

Iron is  

If $\delta$ is angle of dip at a place ,then expression for $\tan \delta$ is :

On going from north pole to equator,the value of angle of dip :

What do you mean by magnetic elements of the earth?

Explain end- on position and broad side on position of a bar magnet.