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Image of Point Object in Plane Mirror

In the proof ...

Question

In the proof that a person requires a plane mirror at least half of his is height, it is shown that the the reflected rays actually intersect each other but how this is possible because a plane mirror always produces a virtual and erect image.

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Q. Assertion: The image of a virtual object due to a plane mirror is real.
Reason :.If the rays seem to be converging at a point behind a plane mirror, they are reflected and they actually meet in front of the mirror.

Statement I : A plane mirror can never form a real image.

Statement II : The reflected rays from a mirror need to actually intersect to form a real image.

Q. Consider the following statements.
1. The minimum size of a mirror required to see the full image of a person is half the height of the person.
2. A convex mirror always forms a virtual, erect and diminished image.
3. The laws of reflection are true for all reflecting surfaces.
4. The focal length of a plane mirror is zero.
Which of the statement(s) given above is/are correct?

Q. A person of height

200 cm

is standing in front of a plane mirror. Find the minimum height of the mirror required, so that the person can see his full size image.

Q. Images formed by a plane mirror are always virtual in nature because ________.

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