Question

use full sentences where necessary. 1. examine the diagram below, and answer the questions that follow. a) what type of mirror is shown? 1 b) name and define point e. 2 c) what type of image does this mirror form? 1 d) relate the size and orientation of the image formed by the mirror to the size and orientation of the original object. 2 size: orientation: e) what type of image will form if the candle is placed between e and d? 1 f) what will happen to the reflected light if the candle is placed at point e? 1 g) name line c - d. 1

Explanation:

This problem is about the properties of a curved mirror (likely a concave mirror) and related optical concepts, so it falls under the Natural Science discipline, specifically Physics (subfield of optics). Let's answer each part:

a) The mirror shown is a concave mirror (curved inward, converging mirror).

b) Point E is the Focal Point (Focus). Definition: The point on the principal axis where parallel rays of light (parallel to the principal axis) incident on the concave mirror converge after reflection.

c) A concave mirror (when the object is, say, beyond the center of curvature or at other positions, but typically, for a common case like object outside focal length) forms a real, inverted image (but depends on object position; if object is between focus and mirror, it's virtual, upright). But generally, for the diagram (assuming object is outside focus), the image is real and inverted.

d) Size: If the object is beyond the center of curvature (C), the image is smaller than the object; if at C, same size; if between C and F (focus), larger. Orientation: Inverted (upside - down) relative to the object (for real images; virtual images are upright).

e) If the candle is placed between E (focus) and D (center of curvature? Wait, D might be the center of curvature? Wait, in concave mirror, center of curvature (C) is the center of the sphere of which the mirror is a part. So if E is focus (F) and D is center of curvature (C), then between F and C, the object is between focus and center of curvature. The image formed will be real, inverted, and magnified (larger than the object).

f) If the candle is placed at point E (focus), the incident rays from the candle (which are diverging from the focus) will, after reflection from the concave mirror, become parallel to the principal axis (since rays passing through focus reflect parallel to principal axis, and vice - versa: rays parallel to principal axis reflect through focus. So if object is at focus, the reflected rays are parallel, so no real image is formed (or image at infinity).

g) Line C - D (assuming D is center of curvature, C is center of curvature, wait, maybe D is the center of curvature, so line C - D (if C and D are same? Wait, maybe D is the center of curvature, so line C - D (or just the line from the center of curvature to the mirror surface? No, line C - D (where C is center of curvature) is the Principal Axis? Wait, no, the principal axis is the line passing through the center of curvature (C) and the focal point (F) and the pole (center of the mirror). Wait, maybe D is the center of curvature, so line C - D (if C and D are the center of curvature) – no, maybe D is the center of curvature, and line C - D is the Principal Axis? Wait, no, the principal axis is the line through the pole, focus, and center of curvature. Alternatively, line C - D (where C is center of curvature) is the Principal Axis? Wait, maybe D is the center of curvature, so line C - D (the line from the center of curvature to the mirror) – no, more likely, line C - D is the Principal Axis (the straight line passing through the pole, the focus, and the center of curvature of the mirror).

Answer:

a) Concave mirror
b) Focal Point (Focus); The point on the principal axis where parallel rays of light (parallel to the principal axis) incident on the concave mirror converge after reflection.
c) Real, inverted (or depends on object position, but typically real and inverted for object outside focus)
d) Size: Depends on object position (e.g., smaller/larger/same); Orientation: Inverted (for real images)
e) Real, inverted, magnified (larger) image
f) The reflected light rays will be parallel to the principal axis (no real image formed, or image at infinity)
g) Principal Axis (assuming D is center of curvature and C is related, or maybe Radius of Curvature? Wait, no, line from center of curvature to the mirror is radius, but C - D: if D is on the mirror, then C - D is Radius of Curvature. Wait, correction: In a concave mirror, the line from the center of curvature (C) to a point on the mirror (D) is the Radius of Curvature. So line C - D is Radius of Curvature.