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Magnification by Thin Lenses

The size of i...

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The size of image of an object which is at infinity is formed by a convex lens of focal length 30 cm is 2 CM if a concave lens of focal length 20 cm is placed between the convex lens and the image at distance of 26 m from the convex lens calculate the new size of image

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Q. The size of the image of an object, which is at infinity, as formed by a convex lens of focal length

30 c m

2 c m

. If a concave lens of focal length

20 c m

is placed between the convex lens and the image at a distance of

26 c m

from the convex lens, calculate the new size of the images.

Q. Image of an object at infinity is formed by a convex lens of focal length

30 c m

such that the size of the image is

2 c m

. If a concave lens of focal length

20 c m

is placed in between the convex lens and the image, at a distance

26 c m

from the convex lens, size of the new image is:

Q. The size of the image of an object, which is at

\infty,

is formed by a convex lens of focal length

30 cm

2 cm .

If a concave lens of focal length

20 cm

is placed between the convex lens and the image at a distance of

26 cm

from the convex lens. Find the new size of the image-

Q. A convex lens of focal length

30 c m

forms an image of height

2 c m

for an object situated at infinity. If a concave lens of focal length

20 c m

is placed coaxially at a distance of

26 c m

in front of convex lens the size image would be

Q. An object (O) is placed in front of a concave lens of focal length 20 cm as shown in the figure. Determine the focal length of the convex lens if a real image is formed at a distance of 30 cm by the convex lens.

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