A needle made of bismuth is suspended freely in a magnetic field. The angle which the needle makes with the magnetic field is:

Question

A needle made of bismuth is suspended freely in a magnetic field. The angle which the needle makes with the magnetic field is: (A)  0°  (B)  45°  (C)  90°  (D)  180°

Tardigrade Admin · Accepted Answer

Bismuth is a -diamagnetic substance, hence when placed in an external magnetic field it rotates such that its axis becomes perpendicular to the magnetic field.

Q. A needle made of bismuth is suspended freely in a magnetic field. The angle which the needle makes with the magnetic field is:

$0^{\circ}$

$4 5^{\circ}$

$9 0^{\circ}$

$18 0^{\circ}$

Bismuth is a -diamagnetic substance, hence when placed in an external magnetic field it rotates such that its axis becomes perpendicular to the magnetic field.

Q. A needle made of bismuth is suspended freely in a magnetic field. The angle which the needle makes with the magnetic field is:

0∘

45∘

90∘

180∘

Bismuth is a -diamagnetic substance, hence when placed in an external magnetic field it rotates such that its axis becomes perpendicular to the magnetic field.

$0^{\circ}$

$4 5^{\circ}$

$9 0^{\circ}$

$18 0^{\circ}$