Image Formation by Spherical Mirrors
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Choose the ray diagram which shows the image formation?
None of these
Ray of light falling parallel to the principal axis follows which path after reflection?
1
2
3
4
If we want to form virtual, erect and enlarged image. Then which mirror and position should we choose?
concave, centre of curvature
convex, between focus point and pole
concave, beyond focus point
concave, between focus point and pole
To obtain a real, inverted and highly enlarged image, choose the suitable type of mirror and the position of object in front of it.
Type of mirror: Convex mirror,
Position of object: At focus pointType of mirror: concave mirror,
Position of object: At focusType of mirror: concave mirror,
Position of object: At centre of curvatureType of mirror: concave mirror,
Position of object: Beyond centre of curvature
(a) Specify the range of distance where the object can be placed in front of the mirror. Justify.
(b) Draw a ray diagram to show image formation in this case.
(c) State one use of the mirror based on the above kind of image formation.
[3 Marks]
- At infinity
- At C
- Between F and C
- Between P and F
Where is the image formed?
at A point
cannot be determined, since we need at least 2 rays to form a image
forms at infinity
image is formed at pole
Which of the following mirrors always form a virtual and diminished image irrespective of the object location?
concave
parabolic concave mirror
plane mirror
convex mirror
The radius of curvature of a concave mirror is 10 cm. If I want to capture the image of the sun, at what distance from the pole of the mirror would an image be formed?
α
10 cm
5 cm
20 cm
Match the given cases of image formation with the position of the object:
I - d, II - c, III - b, IV - a
I - c, II - d, III - b, IV - a
I - c, II - d, III - a, IV - b
I - b, II - d, III - a, IV - a