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Which of the following can be used to form a virtual image of an object?
I. convex lens
II. concave lens
III. concave mirror
I. convex lens
II. concave lens
III. concave mirror
- a)II only
- b)II and III only
- c)I and III only
- d)I, II and III
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Which of the following can be used to form a virtual image of an objec...
Analysis of the Options:
- I. Convex Lens:
- A convex lens can form a virtual image when the object is placed between the lens and its focal point. The image is virtual, erect, and magnified.
- Correct.
- II. Concave Lens:
- A concave lens always forms a virtual, erect, and diminished image regardless of the object's position.
- Correct.
- III. Concave Mirror:
- A concave mirror forms a virtual image when the object is placed between the pole and the focal point. The image is virtual, erect, and magnified.
- Correct.
Most Upvoted Answer
Which of the following can be used to form a virtual image of an objec...
A concave lens forms
real and inverted image
. When the
object
is placed very close to the
lens
, the
image
formed is
virtual
, erect and magnified.
A
concave lens
always
forms
erect,
virtual
and smaller
image
than the
object
.
Concave
mirrors
can produce
both real and
virtual images
; they
can
be upright (if
virtual
) or inverted (if real); they
can
be behind the
mirror
(if
virtual
) or in front of the
mirror
(if real); they
can
also be enlarged, reduced, or the same size as
object
.
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Community Answer
Which of the following can be used to form a virtual image of an objec...
Virtual Images Formed by Lenses and Mirrors
Convex and Concave Lenses:
- A convex lens can form a virtual image of an object.
- This occurs when the object is placed between the lens and its focal point.
- The image is formed on the same side as the object and is magnified.
- This is used in devices such as magnifying glasses and cameras.
- A concave lens cannot form a virtual image, only a real image.
Concave Mirror:
- A concave mirror can also form a virtual image of an object.
- This occurs when the object is placed between the mirror and its focal point.
- The image is formed on the same side as the object and is smaller than the object.
- This is used in devices such as makeup mirrors and headlights.
- A convex mirror cannot form a virtual image, only a real image.
Answer:
- From the above explanations, we can see that options II, III, and I are all correct.
- Therefore, the correct answer is option D, I, II, and III can be used to form a virtual image of an object.
Convex and Concave Lenses:
- A convex lens can form a virtual image of an object.
- This occurs when the object is placed between the lens and its focal point.
- The image is formed on the same side as the object and is magnified.
- This is used in devices such as magnifying glasses and cameras.
- A concave lens cannot form a virtual image, only a real image.
Concave Mirror:
- A concave mirror can also form a virtual image of an object.
- This occurs when the object is placed between the mirror and its focal point.
- The image is formed on the same side as the object and is smaller than the object.
- This is used in devices such as makeup mirrors and headlights.
- A convex mirror cannot form a virtual image, only a real image.
Answer:
- From the above explanations, we can see that options II, III, and I are all correct.
- Therefore, the correct answer is option D, I, II, and III can be used to form a virtual image of an object.
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