What is the size and position of an image formed by a plane mirror?

Same size, same distance away from the mirror

Same size, closer to the mirror

Reduced, farther from the mirror

Which of the following best describes the image from a plane mirror?

Virtual and magnification equal to one

virtual and magnification greater than one

Real and magnification less than one

Real and magnification equal to one

When the reflection of an object is seen in a plane mirror, the distance from the mirror to the image depends on:

the distance from the object to the mirror.

The wavelength of light used for viewing.

The distance of both the observer and the object to the mirror.

Characteristics Of Image Formed By Plane Mirror

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| By Pawan Sharma

Pawan Sharma

Community Contributor

Quizzes Created: 1 | Total Attempts: 1,054

Questions: 10 | Attempts: 1,055 | Updated: Jan 12, 2024

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Questions and Answers

1.

The virtual image produced by a plane mirror appears to be the same distance away from the mirror as the object itself.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
When an object is placed in front of a plane mirror, the light rays reflecting off the object are reflected by the mirror, creating a virtual image. The virtual image appears to be located behind the mirror, and it is the same distance away from the mirror as the object is in front of it. This is because the angle of incidence is equal to the angle of reflection, resulting in the virtual image appearing to be at the same distance as the object. Therefore, the statement "The virtual image produced by a plane mirror appears to be the same distance away from the mirror as the object itself" is true.

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2.

A plane mirror produces a top-to-bottom reversal and a left-to-right reversal.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
A plane mirror produces a left-to-right reversal, but it does not produce a top-to-bottom reversal. When an object is reflected in a plane mirror, its left side appears to be on the right side in the reflection, and its right side appears to be on the left side. However, the top and bottom of the object remain in the same position in the reflection. Therefore, the statement is false.

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3.

The height of an image as seen in a plane mirror is the same as the actual height of the object.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
When an object is placed in front of a plane mirror, the image formed is virtual and appears to be behind the mirror. The image is formed by the reflection of light rays off the mirror surface. Since the mirror does not change the size or shape of the object, the height of the image will be the same as the actual height of the object. Therefore, the statement is true.

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4.

A plane mirror produces a same-size real image.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
A plane mirror produces a same-size real image because the image formed in a plane mirror is virtual, meaning it cannot be projected onto a screen. However, the image appears to be behind the mirror and is the same size as the object being reflected. This is due to the fact that the light rays reflect off the mirror at the same angle at which they strike it, resulting in the same size and orientation of the image.

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5.

Virtual images are formed from divergent rays
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Virtual images are formed by the apparent intersection of divergent rays. These rays do not actually converge at a point, but they appear to originate from a point behind the mirror or lens. This is in contrast to real images, which are formed by the actual convergence of rays and can be projected onto a screen. Therefore, the statement that virtual images are formed from divergent rays is true.

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6.

What is the size and position of an image formed by a plane mirror?
- A.
  
  Same size, closer to the mirror
- B.
  
  Same size, same distance away from the mirror
- C.
  
  Enlarged, closer to the mirror
- D.
  
  Reduced, farther from the mirror
Correct Answer
B. Same size, same distance away from the mirror

Explanation
When an image is formed by a plane mirror, it is always the same size as the object and located at the same distance away from the mirror as the object is. This is because a plane mirror reflects light rays in a way that preserves the size and distance relationships of the object being reflected. Therefore, the correct answer is that the image formed by a plane mirror is the same size and at the same distance away from the mirror as the object.

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7.

A man stands two meters away from a plane mirror. How far is it from the man to his image?
- A.
  
  2.0 m
- B.
  
  3.0 m
- C.
  
  4.0 m
- D.
  
  5.0 m
Correct Answer
C. 4.0 m

Explanation
The distance from the man to his image is equal to the distance between the man and the mirror, which is 4 meters.

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8.

Which of the following best describes the image from a plane mirror?
- A.
  
  Virtual and magnification greater than one
- B.
  
  Real and magnification less than one
- C.
  
  Virtual and magnification equal to one
- D.
  
  Real and magnification equal to one
Correct Answer
C. Virtual and magnification equal to one

Explanation
When an object is reflected in a plane mirror, the image formed is virtual, meaning it cannot be projected onto a screen. Additionally, the magnification of the image is equal to one, which means the size of the image is the same as the size of the object.

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9.

When the reflection of an object is seen in a plane mirror, the distance from the mirror to the image depends on:
- A.
  
  The wavelength of light used for viewing.
- B.
  
  The distance from the object to the mirror.
- C.
  
  The distance of both the observer and the object to the mirror.
- D.
  
  The size of the object.
Correct Answer
B. The distance from the object to the mirror.

Explanation
When the reflection of an object is seen in a plane mirror, the distance from the mirror to the image depends on the distance from the object to the mirror. This is because the image formed in a plane mirror is virtual, meaning it appears to be behind the mirror at the same distance as the object is in front of the mirror. Therefore, the distance between the mirror and the image is equal to the distance between the mirror and the object. The other factors mentioned, such as the wavelength of light, the distance of the observer, and the size of the object, do not affect the distance between the mirror and the image.

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10.

If the flame on the candle is 2 cm tall, how tall is the flame of the image?
- A.
  
  1cm
- B.
  
  2cm
- C.
  
  4cm
- D.
  
  8cm
Correct Answer
B. 2cm

Explanation
The flame of the image would also be 2cm tall because the question states that the flame on the candle is 2 cm tall, implying that the image is a realistic representation of the candle flame.

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Current Version
Jan 12, 2024

Quiz Edited by
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Jun 21, 2020

Quiz Created by
Pawan Sharma

Characteristics Of Image Formed By Plane Mirror

The virtual image produced by a plane mirror appears to be the same distance away from the mirror as the object itself.

A plane mirror produces a top-to-bottom reversal and a left-to-right reversal.

The height of an image as seen in a plane mirror is the same as the actual height of the object.

A plane mirror produces a same-size real image.

Virtual images are formed from divergent rays

What is the size and position of an image formed by a plane mirror?

A man stands two meters away from a plane mirror. How far is it from the man to his image?

Which of the following best describes the image from a plane mirror?

When the reflection of an object is seen in a plane mirror, the distance from the mirror to the image depends on:

If the flame on the candle is 2 cm tall, how tall is the flame of the image?