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Convex lens focus a real, point sized image at focus, the object is placed
- a)At focus
- b)Between F and 2F
- c)At infinity
- d)At 2F
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
Convex lens focus a real, point sized image at focus, the object is pl...
Explanation:
Convex lenses are also known as converging lenses. They converge the light rays that pass through them to a focal point. A real, point-sized image is formed by the convex lens at the focus. The distance between the lens and the focus is known as the focal length of the lens.
The position of the object relative to the lens determines the position and size of the image. The possible positions of the object are:
a) At focus: When the object is placed at the focus of the lens, the light rays become parallel after passing through the lens and do not converge to form an image. Hence, no image is formed.
b) Between F and 2F: When the object is placed between the focus and twice the focal length of the lens, a real, inverted, and magnified image is formed on the other side of the lens.
c) At infinity: When the object is placed at infinity, the light rays become parallel and converge to form a real, inverted, and point-sized image at the focus. This is the most common case for lenses used in telescopes and binoculars.
d) At 2F: When the object is placed at twice the focal length of the lens, a real, inverted, and same-sized image is formed on the other side of the lens.
Conclusion:
Hence, the correct option is 'C' - At infinity, because a real, point-sized image is formed at the focus when the object is placed at infinity.
Convex lenses are also known as converging lenses. They converge the light rays that pass through them to a focal point. A real, point-sized image is formed by the convex lens at the focus. The distance between the lens and the focus is known as the focal length of the lens.
The position of the object relative to the lens determines the position and size of the image. The possible positions of the object are:
a) At focus: When the object is placed at the focus of the lens, the light rays become parallel after passing through the lens and do not converge to form an image. Hence, no image is formed.
b) Between F and 2F: When the object is placed between the focus and twice the focal length of the lens, a real, inverted, and magnified image is formed on the other side of the lens.
c) At infinity: When the object is placed at infinity, the light rays become parallel and converge to form a real, inverted, and point-sized image at the focus. This is the most common case for lenses used in telescopes and binoculars.
d) At 2F: When the object is placed at twice the focal length of the lens, a real, inverted, and same-sized image is formed on the other side of the lens.
Conclusion:
Hence, the correct option is 'C' - At infinity, because a real, point-sized image is formed at the focus when the object is placed at infinity.
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Community Answer
Convex lens focus a real, point sized image at focus, the object is pl...
Because light can travel infinetly in a direction. In a convex mirror this image or object can be as far as quantum units.
Hope it helps
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Just tell me the issue
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Hope it helps
PS : Why have u blocked me ??
Just tell me the issue
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Convex lens focus a real, point sized image at focus, the object is placeda)At focusb)Between F and 2Fc)At infinityd)At 2FCorrect answer is option 'C'. Can you explain this answer?
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