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The magnifying power of a compound microscope is high If
- a)both me objective and the eyepiece has short focal lengths
- b)both the objectve and the eyepiece have long focal lengths
- c)the objective has a Short focal length and the eyepiece has a long focal length
- d)the objective has a long focal length and the eyepiece has a short focal length
Correct answer is 'A'. Can you explain this answer?
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The magnifying power of a compound microscope is high Ifa)both me obje...
Yes, option A, is correct because a compound microscope has both properties.
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The magnifying power of a compound microscope is high Ifa)both me obje...
Explanation:
A compound microscope consists of two lenses: the objective lens and the eyepiece. The magnifying power of the compound microscope depends on the combination of these two lenses.
Objective and Eyepiece Focal Lengths:
The focal length of a lens determines its ability to converge or diverge light rays. A lens with a shorter focal length has a greater ability to converge light rays, while a lens with a longer focal length has a lesser ability to converge light rays.
A) Both the objective and the eyepiece have short focal lengths:
When both the objective and eyepiece have short focal lengths, they have a greater ability to converge light rays. This means that the objective lens forms a highly magnified real image of the object being observed, which is then further magnified by the eyepiece. The combination of these two lenses results in a high magnifying power for the compound microscope.
B) Both the objective and the eyepiece have long focal lengths:
When both the objective and eyepiece have long focal lengths, they have a lesser ability to converge light rays. This means that the objective lens forms a less magnified real image of the object, which is then further magnified by the eyepiece. The combination of these two lenses results in a lower magnifying power for the compound microscope.
C) The objective has a short focal length and the eyepiece has a long focal length:
In this case, the objective lens has a greater ability to converge light rays and forms a highly magnified real image of the object. However, the eyepiece, with its longer focal length, has a lesser ability to further magnify this image. As a result, the magnifying power of the compound microscope is lower compared to the scenario where both lenses have short focal lengths.
D) The objective has a long focal length and the eyepiece has a short focal length:
In this case, the objective lens has a lesser ability to converge light rays and forms a less magnified real image of the object. The eyepiece, with its shorter focal length, has a greater ability to further magnify this image. However, the overall magnifying power of the compound microscope is lower compared to the scenario where both lenses have short focal lengths.
Therefore, the correct answer is A) Both the objective and the eyepiece have short focal lengths because it results in a higher magnifying power for the compound microscope.
A compound microscope consists of two lenses: the objective lens and the eyepiece. The magnifying power of the compound microscope depends on the combination of these two lenses.
Objective and Eyepiece Focal Lengths:
The focal length of a lens determines its ability to converge or diverge light rays. A lens with a shorter focal length has a greater ability to converge light rays, while a lens with a longer focal length has a lesser ability to converge light rays.
A) Both the objective and the eyepiece have short focal lengths:
When both the objective and eyepiece have short focal lengths, they have a greater ability to converge light rays. This means that the objective lens forms a highly magnified real image of the object being observed, which is then further magnified by the eyepiece. The combination of these two lenses results in a high magnifying power for the compound microscope.
B) Both the objective and the eyepiece have long focal lengths:
When both the objective and eyepiece have long focal lengths, they have a lesser ability to converge light rays. This means that the objective lens forms a less magnified real image of the object, which is then further magnified by the eyepiece. The combination of these two lenses results in a lower magnifying power for the compound microscope.
C) The objective has a short focal length and the eyepiece has a long focal length:
In this case, the objective lens has a greater ability to converge light rays and forms a highly magnified real image of the object. However, the eyepiece, with its longer focal length, has a lesser ability to further magnify this image. As a result, the magnifying power of the compound microscope is lower compared to the scenario where both lenses have short focal lengths.
D) The objective has a long focal length and the eyepiece has a short focal length:
In this case, the objective lens has a lesser ability to converge light rays and forms a less magnified real image of the object. The eyepiece, with its shorter focal length, has a greater ability to further magnify this image. However, the overall magnifying power of the compound microscope is lower compared to the scenario where both lenses have short focal lengths.
Therefore, the correct answer is A) Both the objective and the eyepiece have short focal lengths because it results in a higher magnifying power for the compound microscope.
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The magnifying power of a compound microscope is high Ifa)both me objective and the eyepiece has short focal lengthsb)both the objectve and the eyepiece have long focal lengthsc)the objective has a Short focal length and the eyepiece has a long focal lengthd)the objective has a long focallength and the eyepiece has a short focal lengthCorrect answer is 'A'. Can you explain this answer?
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