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According to New Cartesian Sign Convention for a convex lens:
A. Distance of the object is negative.
B. Distance of the real image is negative.
C. Distance of the virtual image is positive.
D. Focal length of the lens is positive.
B. Distance of the real image is negative.
C. Distance of the virtual image is positive.
D. Focal length of the lens is positive.
- a)A and B
- b)A and C
- c)A and D
- d)All of these
Correct answer is option 'C'. Can you explain this answer?
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According to New Cartesian Sign Convention for a convex lens:A. Distan...
According to New Cartesian Sign Convention for a convex lens, distance of the object from the pole is negative and the focal length of a convex lens is taken as positive.
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According to New Cartesian Sign Convention for a convex lens:A. Distan...
Explanation:
The New Cartesian Sign Convention is a set of rules used to determine the sign (+ or -) of various distances and focal lengths in optics. It is commonly used to analyze the behavior of light rays through lenses.
A. Distance of the object is negative:
According to the New Cartesian Sign Convention, the distance of the object from a lens is considered negative when the object is located on the same side as the incident light. In other words, it is negative when the object is located before the lens (left side in most diagrams).
B. Distance of the real image is negative:
The distance of the image formed by a convex lens is considered negative when the image is formed on the opposite side of the lens from the object. This means that the image is formed on the right side of the lens (after the lens) and is a real image.
C. Distance of the virtual image is positive:
The distance of the image formed by a convex lens is considered positive when the image is virtual, meaning it is formed on the same side of the lens as the object. In the case of a convex lens, a virtual image is formed when the object is located within the focal length of the lens.
D. Focal length of the lens is positive:
The focal length of a convex lens is considered positive according to the New Cartesian Sign Convention. This means that the focal length is measured as a positive distance from the lens, usually denoted as 'f'.
Conclusion:
From the given options, the correct answer is option 'C' which states that the distance of the virtual image is positive. The other options are either incorrect or incomplete based on the New Cartesian Sign Convention.
The New Cartesian Sign Convention is a set of rules used to determine the sign (+ or -) of various distances and focal lengths in optics. It is commonly used to analyze the behavior of light rays through lenses.
A. Distance of the object is negative:
According to the New Cartesian Sign Convention, the distance of the object from a lens is considered negative when the object is located on the same side as the incident light. In other words, it is negative when the object is located before the lens (left side in most diagrams).
B. Distance of the real image is negative:
The distance of the image formed by a convex lens is considered negative when the image is formed on the opposite side of the lens from the object. This means that the image is formed on the right side of the lens (after the lens) and is a real image.
C. Distance of the virtual image is positive:
The distance of the image formed by a convex lens is considered positive when the image is virtual, meaning it is formed on the same side of the lens as the object. In the case of a convex lens, a virtual image is formed when the object is located within the focal length of the lens.
D. Focal length of the lens is positive:
The focal length of a convex lens is considered positive according to the New Cartesian Sign Convention. This means that the focal length is measured as a positive distance from the lens, usually denoted as 'f'.
Conclusion:
From the given options, the correct answer is option 'C' which states that the distance of the virtual image is positive. The other options are either incorrect or incomplete based on the New Cartesian Sign Convention.
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According to New Cartesian Sign Convention for a convex lens:A. Distance of the object is negative.B. Distance of the real image is negative.C. Distance of the virtual image is positive.D. Focal length of the lens is positive.a)A and Bb)A and Cc)A and Dd)All of theseCorrect answer is option 'C'. Can you explain this answer?
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