| A wide parallel beam parallel to the principal axis is incident on a spherical concave surface. |
| A) All rays converge to a single point on the principal axis |
| B) Rays incident at the edge of the mirror cross the principal axis at a closer point |
| C) Rays incident on the central portion cross the principal axis at a closer point |
| D) No specific order in the behavior |
| A wide parallel beam parallel to the principal axis is incident on a spherical concave surface. |
| A) Only rays incident at the edge of the mirror obey law of reflection |
| B) Only rays incident on the central portion obey law of reflection |
| C) All rays obey law of reflection |
| D) No ray obeys law of reflection |
| A wide parallel beam parallel to the principal axis is incident on a spherical concave surface. |
| A) Angles of incidence are same at all rays |
| B) Angles of incidence are greater for rays incident in the middle |
| C) Angles of incidence are smaller for rays incident in the middle |
| D) No specific order |