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The linear magnification produced by concave mirror is always positive. This is because
- a)Convex mirror is a small mirror
- b)Image formed by a convex mirror is always smaller in size than the object
- c)Image formed by a convex mirror is real
- d)Image formed by a convex mirror is always virtual and erect
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
The linear magnification produced by concave mirror is always positive...
Explanation:
A concave mirror is a mirror with a curved reflective surface that bulges inward. It is also known as a converging mirror because it converges the light rays that fall on it. The linear magnification produced by a concave mirror can be positive or negative depending on the position of the object and the mirror.
Positive Linear Magnification:
When the object is placed between the focus and the pole of the concave mirror, a real and inverted image is formed. In this case, the linear magnification is positive. The image is magnified and located on the same side of the mirror as the object. This is because the light rays converge after reflection and form an enlarged image. The magnification can be calculated using the formula:
Magnification (m) = Height of Image (hᵢ) / Height of Object (hₒ)
Negative Linear Magnification:
When the object is placed beyond the focus of the concave mirror, a virtual and erect image is formed. In this case, the linear magnification is negative. The image is diminished and located on the opposite side of the mirror as the object. This is because the light rays diverge after reflection and form a smaller image. The magnification can still be calculated using the same formula as before, but the height of the image will be negative.
Convex Mirror:
A convex mirror is a mirror with a curved reflective surface that bulges outward. It is also known as a diverging mirror because it diverges the light rays that fall on it. The image formed by a convex mirror is always virtual, erect, and diminished in size. The linear magnification produced by a convex mirror is always positive, but it is less than 1. The magnification formula can still be used, but the height of the image will be smaller than the height of the object.
Therefore, option D is correct because the image formed by a convex mirror is always virtual and erect.
A concave mirror is a mirror with a curved reflective surface that bulges inward. It is also known as a converging mirror because it converges the light rays that fall on it. The linear magnification produced by a concave mirror can be positive or negative depending on the position of the object and the mirror.
Positive Linear Magnification:
When the object is placed between the focus and the pole of the concave mirror, a real and inverted image is formed. In this case, the linear magnification is positive. The image is magnified and located on the same side of the mirror as the object. This is because the light rays converge after reflection and form an enlarged image. The magnification can be calculated using the formula:
Magnification (m) = Height of Image (hᵢ) / Height of Object (hₒ)
Negative Linear Magnification:
When the object is placed beyond the focus of the concave mirror, a virtual and erect image is formed. In this case, the linear magnification is negative. The image is diminished and located on the opposite side of the mirror as the object. This is because the light rays diverge after reflection and form a smaller image. The magnification can still be calculated using the same formula as before, but the height of the image will be negative.
Convex Mirror:
A convex mirror is a mirror with a curved reflective surface that bulges outward. It is also known as a diverging mirror because it diverges the light rays that fall on it. The image formed by a convex mirror is always virtual, erect, and diminished in size. The linear magnification produced by a convex mirror is always positive, but it is less than 1. The magnification formula can still be used, but the height of the image will be smaller than the height of the object.
Therefore, option D is correct because the image formed by a convex mirror is always virtual and erect.
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Community Answer
The linear magnification produced by concave mirror is always positive...
m = -v/u. For a convex mirror, v is –ive, thus m becomes positive.
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The linear magnification produced by concave mirror is always positive. This is becausea)Convex mirror is a small mirrorb)Image formed by a convex mirror is always smaller in size than the objectc)Image formed by a convex mirror is reald)Image formed by a convex mirror is always virtual and erectCorrect answer is option 'D'. Can you explain this answer?
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