A. Vomer, B. Coccyx, C. Scapula
B. Coccyx, C. Scapula, D. Hyoid
C. Scapula, D. Hyoid, E. Palatine
B. Coccyx, C. Scapula, E. Palatine
The bones listed in option 1, which include the Vomer, Coccyx, and Scapula, all possess a triangular shape:
A. Vomer: This bone is located within the nasal cavity and is plow-shaped, contributing to the formation of the nasal septum, which divides the left and right airways in the nose. It is triangular in its lateral profile.
B. Coccyx: The coccyx, or tailbone, at the base of the vertebral column, is triangular when viewed from above. It is formed from fused vertebrae and tapers down from the sacrum.
C. Scapula: Commonly known as the shoulder blade, the scapula is a flat, triangular bone situated at the back of the shoulder, providing attachment points for multiple muscles and supporting arm movements.
Match the following:
| List–I | List–II |
|---|---|
| A. Ball and socket joint | I. Inter carpal joint |
| B. Hinge joint | II. Between humerus and Pectoral girdle |
| C. Pivot joint | III. Between carpals and metacarpals |
| D. Gliding joint | IV. Between atlas and axis |
| V. Knee joint |
Two concentric thin circular rings of radii 50 cm and 40 cm each, carry a current of 3.5 A in opposite directions. If the two rings are coplanar, the net magnetic field due to the two rings at their centre is: